Home / 14,432,776.89-19,917,073.53-7,817,200.76

Finding the Fourth Proportional to 14,432,776.89, 19,917,073.53 and 7,817,200.76

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Solution

The fourth proportional to 14,432,776.89, 19,917,073.53 and 7,817,200.76 is: 10,787,651.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,432,776.89 : 19,917,073.53 = 7,817,200.76 : x
  2. Step 2: Convert to fraction form
    14,432,776.89/19,917,073.53 = 7,817,200.76/x
  3. Step 3: Cross multiply
    14,432,776.89x = 19,917,073.53 × 7,817,200.76
  4. Step 4: Simplify right side
    14,432,776.89x = 155,695,762,335,691.88
  5. Step 5: Solve for x
    x = 155,695,762,335,691.88/14,432,776.89
  6. Step 6: Final answer
    x = 10,787,651.16

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1.5x scale

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.