Home / 10,140,003.60-15,210,005.40-5,089,491.60

Finding the Fourth Proportional to 10,140,003.60, 15,210,005.40 and 5,089,491.60

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Solution

The fourth proportional to 10,140,003.60, 15,210,005.40 and 5,089,491.60 is: 7,634,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140,003.60 : 15,210,005.40 = 5,089,491.60 : x
  2. Step 2: Convert to fraction form
    10,140,003.60/15,210,005.40 = 5,089,491.60/x
  3. Step 3: Cross multiply
    10,140,003.60x = 15,210,005.40 × 5,089,491.60
  4. Step 4: Simplify right side
    10,140,003.60x = 77,411,194,719,254.64
  5. Step 5: Solve for x
    x = 77,411,194,719,254.64/10,140,003.60
  6. Step 6: Final answer
    x = 7,634,237.40

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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.