Home / 30,307,538.40-45,461,307.60-18,190,683.60

Finding the Fourth Proportional to 30,307,538.40, 45,461,307.60 and 18,190,683.60

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Solution

The fourth proportional to 30,307,538.40, 45,461,307.60 and 18,190,683.60 is: 27,286,025.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,307,538.40 : 45,461,307.60 = 18,190,683.60 : x
  2. Step 2: Convert to fraction form
    30,307,538.40/45,461,307.60 = 18,190,683.60/x
  3. Step 3: Cross multiply
    30,307,538.40x = 45,461,307.60 × 18,190,683.60
  4. Step 4: Simplify right side
    30,307,538.40x = 826,972,262,593,875.50
  5. Step 5: Solve for x
    x = 826,972,262,593,875.50/30,307,538.40
  6. Step 6: Final answer
    x = 27,286,025.40

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.