Home / 12,360,155.60-18,548,106.60-7,242,575.60

Finding the Fourth Proportional to 12,360,155.60, 18,548,106.60 and 7,242,575.60

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Solution

The fourth proportional to 12,360,155.60, 18,548,106.60 and 7,242,575.60 is: 10,868,476.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360,155.60 : 18,548,106.60 = 7,242,575.60 : x
  2. Step 2: Convert to fraction form
    12,360,155.60/18,548,106.60 = 7,242,575.60/x
  3. Step 3: Cross multiply
    12,360,155.60x = 18,548,106.60 × 7,242,575.60
  4. Step 4: Simplify right side
    12,360,155.60x = 134,336,064,287,358.97
  5. Step 5: Solve for x
    x = 134,336,064,287,358.97/12,360,155.60
  6. Step 6: Final answer
    x = 10,868,476.79

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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.