Home / 21,684,771.27-29,924,705.17-12,392,234.93

Finding the Fourth Proportional to 21,684,771.27, 29,924,705.17 and 12,392,234.93

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Solution

The fourth proportional to 21,684,771.27, 29,924,705.17 and 12,392,234.93 is: 17,101,124.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,684,771.27 : 29,924,705.17 = 12,392,234.93 : x
  2. Step 2: Convert to fraction form
    21,684,771.27/29,924,705.17 = 12,392,234.93/x
  3. Step 3: Cross multiply
    21,684,771.27x = 29,924,705.17 × 12,392,234.93
  4. Step 4: Simplify right side
    21,684,771.27x = 370,833,976,497,021.50
  5. Step 5: Solve for x
    x = 370,833,976,497,021.50/21,684,771.27
  6. Step 6: Final answer
    x = 17,101,124.65

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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.