Home / 15,035,329.35-20,748,828.38-8,159,819.31

Finding the Fourth Proportional to 15,035,329.35, 20,748,828.38 and 8,159,819.31

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Solution

The fourth proportional to 15,035,329.35, 20,748,828.38 and 8,159,819.31 is: 11,260,590.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,329.35 : 20,748,828.38 = 8,159,819.31 : x
  2. Step 2: Convert to fraction form
    15,035,329.35/20,748,828.38 = 8,159,819.31/x
  3. Step 3: Cross multiply
    15,035,329.35x = 20,748,828.38 × 8,159,819.31
  4. Step 4: Simplify right side
    15,035,329.35x = 169,306,690,434,200.91
  5. Step 5: Solve for x
    x = 169,306,690,434,200.91/15,035,329.35
  6. Step 6: Final answer
    x = 11,260,590.74

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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.