Home / 14,642,819.20-20,200,255.68-9,213,304.96

Finding the Fourth Proportional to 14,642,819.20, 20,200,255.68 and 9,213,304.96

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Solution

The fourth proportional to 14,642,819.20, 20,200,255.68 and 9,213,304.96 is: 12,710,060.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,642,819.20 : 20,200,255.68 = 9,213,304.96 : x
  2. Step 2: Convert to fraction form
    14,642,819.20/20,200,255.68 = 9,213,304.96/x
  3. Step 3: Cross multiply
    14,642,819.20x = 20,200,255.68 × 9,213,304.96
  4. Step 4: Simplify right side
    14,642,819.20x = 186,111,115,849,812.19
  5. Step 5: Solve for x
    x = 186,111,115,849,812.19/14,642,819.20
  6. Step 6: Final answer
    x = 12,710,060.36

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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.