Home / 28,615,360.19-39,488,815.44-15,562,338.17

Finding the Fourth Proportional to 28,615,360.19, 39,488,815.44 and 15,562,338.17

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Solution

The fourth proportional to 28,615,360.19, 39,488,815.44 and 15,562,338.17 is: 21,475,819.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615,360.19 : 39,488,815.44 = 15,562,338.17 : x
  2. Step 2: Convert to fraction form
    28,615,360.19/39,488,815.44 = 15,562,338.17/x
  3. Step 3: Cross multiply
    28,615,360.19x = 39,488,815.44 × 15,562,338.17
  4. Step 4: Simplify right side
    28,615,360.19x = 614,538,299,612,553.25
  5. Step 5: Solve for x
    x = 614,538,299,612,553.25/28,615,360.19
  6. Step 6: Final answer
    x = 21,475,819.13

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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.