Home / 7,128,683.10-10,693,024.65-4,294,331.10

Finding the Fourth Proportional to 7,128,683.10, 10,693,024.65 and 4,294,331.10

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Solution

The fourth proportional to 7,128,683.10, 10,693,024.65 and 4,294,331.10 is: 6,441,496.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,128,683.10 : 10,693,024.65 = 4,294,331.10 : x
  2. Step 2: Convert to fraction form
    7,128,683.10/10,693,024.65 = 4,294,331.10/x
  3. Step 3: Cross multiply
    7,128,683.10x = 10,693,024.65 × 4,294,331.10
  4. Step 4: Simplify right side
    7,128,683.10x = 45,919,388,307,561.61
  5. Step 5: Solve for x
    x = 45,919,388,307,561.61/7,128,683.10
  6. Step 6: Final answer
    x = 6,441,496.65

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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.