Home / 13,226,330.13-18,251,327.82-7,423,990.83

Finding the Fourth Proportional to 13,226,330.13, 18,251,327.82 and 7,423,990.83

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Solution

The fourth proportional to 13,226,330.13, 18,251,327.82 and 7,423,990.83 is: 10,244,541.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,330.13 : 18,251,327.82 = 7,423,990.83 : x
  2. Step 2: Convert to fraction form
    13,226,330.13/18,251,327.82 = 7,423,990.83/x
  3. Step 3: Cross multiply
    13,226,330.13x = 18,251,327.82 × 7,423,990.83
  4. Step 4: Simplify right side
    13,226,330.13x = 135,497,690,371,003.89
  5. Step 5: Solve for x
    x = 135,497,690,371,003.89/13,226,330.13
  6. Step 6: Final answer
    x = 10,244,541.69

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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.