Home / 20,771,167.48-31,128,901.20-16,165,714.84

Finding the Fourth Proportional to 20,771,167.48, 31,128,901.20 and 16,165,714.84

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Solution

The fourth proportional to 20,771,167.48, 31,128,901.20 and 16,165,714.84 is: 24,226,897.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,771,167.48 : 31,128,901.20 = 16,165,714.84 : x
  2. Step 2: Convert to fraction form
    20,771,167.48/31,128,901.20 = 16,165,714.84/x
  3. Step 3: Cross multiply
    20,771,167.48x = 31,128,901.20 × 16,165,714.84
  4. Step 4: Simplify right side
    20,771,167.48x = 503,220,940,081,733.81
  5. Step 5: Solve for x
    x = 503,220,940,081,733.81/20,771,167.48
  6. Step 6: Final answer
    x = 24,226,897.24

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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.