Home / 10,403,785.40-15,605,678.10-9,144,073.40

Finding the Fourth Proportional to 10,403,785.40, 15,605,678.10 and 9,144,073.40

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Solution

The fourth proportional to 10,403,785.40, 15,605,678.10 and 9,144,073.40 is: 13,716,110.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,785.40 : 15,605,678.10 = 9,144,073.40 : x
  2. Step 2: Convert to fraction form
    10,403,785.40/15,605,678.10 = 9,144,073.40/x
  3. Step 3: Cross multiply
    10,403,785.40x = 15,605,678.10 × 9,144,073.40
  4. Step 4: Simplify right side
    10,403,785.40x = 142,699,466,003,172.53
  5. Step 5: Solve for x
    x = 142,699,466,003,172.53/10,403,785.40
  6. Step 6: Final answer
    x = 13,716,110.10

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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.