Home / 30,177,382.68-45,267,714.27-8,610,325.92

Finding the Fourth Proportional to 30,177,382.68, 45,267,714.27 and 8,610,325.92

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Solution

The fourth proportional to 30,177,382.68, 45,267,714.27 and 8,610,325.92 is: 12,915,956.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177,382.68 : 45,267,714.27 = 8,610,325.92 : x
  2. Step 2: Convert to fraction form
    30,177,382.68/45,267,714.27 = 8,610,325.92/x
  3. Step 3: Cross multiply
    30,177,382.68x = 45,267,714.27 × 8,610,325.92
  4. Step 4: Simplify right side
    30,177,382.68x = 389,769,773,518,134.88
  5. Step 5: Solve for x
    x = 389,769,773,518,134.88/30,177,382.68
  6. Step 6: Final answer
    x = 12,915,956.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.