Home / 28,731,224.52-39,649,927.17-15,679,324.13

Finding the Fourth Proportional to 28,731,224.52, 39,649,927.17 and 15,679,324.13

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Solution

The fourth proportional to 28,731,224.52, 39,649,927.17 and 15,679,324.13 is: 21,637,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,731,224.52 : 39,649,927.17 = 15,679,324.13 : x
  2. Step 2: Convert to fraction form
    28,731,224.52/39,649,927.17 = 15,679,324.13/x
  3. Step 3: Cross multiply
    28,731,224.52x = 39,649,927.17 × 15,679,324.13
  4. Step 4: Simplify right side
    28,731,224.52x = 621,684,059,829,323.62
  5. Step 5: Solve for x
    x = 621,684,059,829,323.62/28,731,224.52
  6. Step 6: Final answer
    x = 21,637,924.25

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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.