Home / 13,635,910.72-18,817,956.09-7,441,356.61

Finding the Fourth Proportional to 13,635,910.72, 18,817,956.09 and 7,441,356.61

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Solution

The fourth proportional to 13,635,910.72, 18,817,956.09 and 7,441,356.61 is: 10,269,290.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,635,910.72 : 18,817,956.09 = 7,441,356.61 : x
  2. Step 2: Convert to fraction form
    13,635,910.72/18,817,956.09 = 7,441,356.61/x
  3. Step 3: Cross multiply
    13,635,910.72x = 18,817,956.09 × 7,441,356.61
  4. Step 4: Simplify right side
    13,635,910.72x = 140,031,121,937,011.27
  5. Step 5: Solve for x
    x = 140,031,121,937,011.27/13,635,910.72
  6. Step 6: Final answer
    x = 10,269,290.02

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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.