Home / 28,136,098.22-38,827,815.54-15,259,042.22

Finding the Fourth Proportional to 28,136,098.22, 38,827,815.54 and 15,259,042.22

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Solution

The fourth proportional to 28,136,098.22, 38,827,815.54 and 15,259,042.22 is: 21,057,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,136,098.22 : 38,827,815.54 = 15,259,042.22 : x
  2. Step 2: Convert to fraction form
    28,136,098.22/38,827,815.54 = 15,259,042.22/x
  3. Step 3: Cross multiply
    28,136,098.22x = 38,827,815.54 × 15,259,042.22
  4. Step 4: Simplify right side
    28,136,098.22x = 592,475,276,441,093
  5. Step 5: Solve for x
    x = 592,475,276,441,093/28,136,098.22
  6. Step 6: Final answer
    x = 21,057,478.26

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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.