Home / 21,806,005.91-32,708,891.08-12,577,997.35

Finding the Fourth Proportional to 21,806,005.91, 32,708,891.08 and 12,577,997.35

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Solution

The fourth proportional to 21,806,005.91, 32,708,891.08 and 12,577,997.35 is: 18,866,928.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,806,005.91 : 32,708,891.08 = 12,577,997.35 : x
  2. Step 2: Convert to fraction form
    21,806,005.91/32,708,891.08 = 12,577,997.35/x
  3. Step 3: Cross multiply
    21,806,005.91x = 32,708,891.08 × 12,577,997.35
  4. Step 4: Simplify right side
    21,806,005.91x = 411,412,345,099,244.19
  5. Step 5: Solve for x
    x = 411,412,345,099,244.19/21,806,005.91
  6. Step 6: Final answer
    x = 18,866,928.07

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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.