Home / 14,985,382.73-20,679,827.85-8,109,864.72

Finding the Fourth Proportional to 14,985,382.73, 20,679,827.85 and 8,109,864.72

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Solution

The fourth proportional to 14,985,382.73, 20,679,827.85 and 8,109,864.72 is: 11,191,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,985,382.73 : 20,679,827.85 = 8,109,864.72 : x
  2. Step 2: Convert to fraction form
    14,985,382.73/20,679,827.85 = 8,109,864.72/x
  3. Step 3: Cross multiply
    14,985,382.73x = 20,679,827.85 × 8,109,864.72
  4. Step 4: Simplify right side
    14,985,382.73x = 167,710,606,296,388.47
  5. Step 5: Solve for x
    x = 167,710,606,296,388.47/14,985,382.73
  6. Step 6: Final answer
    x = 11,191,613.15

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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.