Home / 13,359,001.12-18,435,428.22-7,247,428

Finding the Fourth Proportional to 13,359,001.12, 18,435,428.22 and 7,247,428

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Solution

The fourth proportional to 13,359,001.12, 18,435,428.22 and 7,247,428 is: 10,001,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,359,001.12 : 18,435,428.22 = 7,247,428 : x
  2. Step 2: Convert to fraction form
    13,359,001.12/18,435,428.22 = 7,247,428/x
  3. Step 3: Cross multiply
    13,359,001.12x = 18,435,428.22 × 7,247,428
  4. Step 4: Simplify right side
    13,359,001.12x = 133,609,438,673,618.16
  5. Step 5: Solve for x
    x = 133,609,438,673,618.16/13,359,001.12
  6. Step 6: Final answer
    x = 10,001,454.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.