Home / 12,862,487.90-19,268,507.90-7,459,791.14

Finding the Fourth Proportional to 12,862,487.90, 19,268,507.90 and 7,459,791.14

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Solution

The fourth proportional to 12,862,487.90, 19,268,507.90 and 7,459,791.14 is: 11,175,057.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862,487.90 : 19,268,507.90 = 7,459,791.14 : x
  2. Step 2: Convert to fraction form
    12,862,487.90/19,268,507.90 = 7,459,791.14/x
  3. Step 3: Cross multiply
    12,862,487.90x = 19,268,507.90 × 7,459,791.14
  4. Step 4: Simplify right side
    12,862,487.90x = 143,739,044,513,440
  5. Step 5: Solve for x
    x = 143,739,044,513,440/12,862,487.90
  6. Step 6: Final answer
    x = 11,175,057.71

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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.