Home / 28,541,484.90-39,387,274.20-15,488,743.50

Finding the Fourth Proportional to 28,541,484.90, 39,387,274.20 and 15,488,743.50

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Solution

The fourth proportional to 28,541,484.90, 39,387,274.20 and 15,488,743.50 is: 21,374,479.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541,484.90 : 39,387,274.20 = 15,488,743.50 : x
  2. Step 2: Convert to fraction form
    28,541,484.90/39,387,274.20 = 15,488,743.50/x
  3. Step 3: Cross multiply
    28,541,484.90x = 39,387,274.20 × 15,488,743.50
  4. Step 4: Simplify right side
    28,541,484.90x = 610,059,387,247,967.75
  5. Step 5: Solve for x
    x = 610,059,387,247,967.75/28,541,484.90
  6. Step 6: Final answer
    x = 21,374,479.62

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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.