Home / 16,225,990.31-22,390,979.53-8,882,402.80

Finding the Fourth Proportional to 16,225,990.31, 22,390,979.53 and 8,882,402.80

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Solution

The fourth proportional to 16,225,990.31, 22,390,979.53 and 8,882,402.80 is: 12,257,230.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,225,990.31 : 22,390,979.53 = 8,882,402.80 : x
  2. Step 2: Convert to fraction form
    16,225,990.31/22,390,979.53 = 8,882,402.80/x
  3. Step 3: Cross multiply
    16,225,990.31x = 22,390,979.53 × 8,882,402.80
  4. Step 4: Simplify right side
    16,225,990.31x = 198,885,699,272,014.72
  5. Step 5: Solve for x
    x = 198,885,699,272,014.72/16,225,990.31
  6. Step 6: Final answer
    x = 12,257,230.25

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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.