Home / 20,064,142.47-27,690,224.23-11,363,862.81

Finding the Fourth Proportional to 20,064,142.47, 27,690,224.23 and 11,363,862.81

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Solution

The fourth proportional to 20,064,142.47, 27,690,224.23 and 11,363,862.81 is: 15,683,097.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064,142.47 : 27,690,224.23 = 11,363,862.81 : x
  2. Step 2: Convert to fraction form
    20,064,142.47/27,690,224.23 = 11,363,862.81/x
  3. Step 3: Cross multiply
    20,064,142.47x = 27,690,224.23 × 11,363,862.81
  4. Step 4: Simplify right side
    20,064,142.47x = 314,667,909,327,857.88
  5. Step 5: Solve for x
    x = 314,667,909,327,857.88/20,064,142.47
  6. Step 6: Final answer
    x = 15,683,097.83

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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.