Home / 45,241,009.20-67,864,138.20-12,895,279.20

Finding the Fourth Proportional to 45,241,009.20, 67,864,138.20 and 12,895,279.20

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Solution

The fourth proportional to 45,241,009.20, 67,864,138.20 and 12,895,279.20 is: 19,343,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,241,009.20 : 67,864,138.20 = 12,895,279.20 : x
  2. Step 2: Convert to fraction form
    45,241,009.20/67,864,138.20 = 12,895,279.20/x
  3. Step 3: Cross multiply
    45,241,009.20x = 67,864,138.20 × 12,895,279.20
  4. Step 4: Simplify right side
    45,241,009.20x = 875,127,009,756,385.38
  5. Step 5: Solve for x
    x = 875,127,009,756,385.38/45,241,009.20
  6. Step 6: Final answer
    x = 19,343,666.85

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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.