Home / 13,226,333.30-18,251,332.19-7,423,993.88

Finding the Fourth Proportional to 13,226,333.30, 18,251,332.19 and 7,423,993.88

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Solution

The fourth proportional to 13,226,333.30, 18,251,332.19 and 7,423,993.88 is: 10,244,545.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226,333.30 : 18,251,332.19 = 7,423,993.88 : x
  2. Step 2: Convert to fraction form
    13,226,333.30/18,251,332.19 = 7,423,993.88/x
  3. Step 3: Cross multiply
    13,226,333.30x = 18,251,332.19 × 7,423,993.88
  4. Step 4: Simplify right side
    13,226,333.30x = 135,497,778,448,312.83
  5. Step 5: Solve for x
    x = 135,497,778,448,312.83/13,226,333.30
  6. Step 6: Final answer
    x = 10,244,545.89

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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.