Home / 10,890,044.60-16,335,066.90-8,339,127.80

Finding the Fourth Proportional to 10,890,044.60, 16,335,066.90 and 8,339,127.80

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Solution

The fourth proportional to 10,890,044.60, 16,335,066.90 and 8,339,127.80 is: 12,508,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,044.60 : 16,335,066.90 = 8,339,127.80 : x
  2. Step 2: Convert to fraction form
    10,890,044.60/16,335,066.90 = 8,339,127.80/x
  3. Step 3: Cross multiply
    10,890,044.60x = 16,335,066.90 × 8,339,127.80
  4. Step 4: Simplify right side
    10,890,044.60x = 136,220,210,500,649.81
  5. Step 5: Solve for x
    x = 136,220,210,500,649.81/10,890,044.60
  6. Step 6: Final answer
    x = 12,508,691.70

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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.