Home / 28,615,354.94-39,488,808.19-15,562,332.92

Finding the Fourth Proportional to 28,615,354.94, 39,488,808.19 and 15,562,332.92

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Solution

The fourth proportional to 28,615,354.94, 39,488,808.19 and 15,562,332.92 is: 21,475,811.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,615,354.94 : 39,488,808.19 = 15,562,332.92 : x
  2. Step 2: Convert to fraction form
    28,615,354.94/39,488,808.19 = 15,562,332.92/x
  3. Step 3: Cross multiply
    28,615,354.94x = 39,488,808.19 × 15,562,332.92
  4. Step 4: Simplify right side
    28,615,354.94x = 614,537,979,666,802.62
  5. Step 5: Solve for x
    x = 614,537,979,666,802.62/28,615,354.94
  6. Step 6: Final answer
    x = 21,475,811.88

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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.