Home / 47,399,291.32-71,098,936.99-13,320,637.19

Finding the Fourth Proportional to 47,399,291.32, 71,098,936.99 and 13,320,637.19

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Solution

The fourth proportional to 47,399,291.32, 71,098,936.99 and 13,320,637.19 is: 19,980,955.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399,291.32 : 71,098,936.99 = 13,320,637.19 : x
  2. Step 2: Convert to fraction form
    47,399,291.32/71,098,936.99 = 13,320,637.19/x
  3. Step 3: Cross multiply
    47,399,291.32x = 71,098,936.99 × 13,320,637.19
  4. Step 4: Simplify right side
    47,399,291.32x = 947,083,144,516,217
  5. Step 5: Solve for x
    x = 947,083,144,516,217/47,399,291.32
  6. Step 6: Final answer
    x = 19,980,955.79

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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.