Home / 10,992,005.70-16,488,008.55-9,982,267.80

Finding the Fourth Proportional to 10,992,005.70, 16,488,008.55 and 9,982,267.80

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Solution

The fourth proportional to 10,992,005.70, 16,488,008.55 and 9,982,267.80 is: 14,973,401.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,992,005.70 : 16,488,008.55 = 9,982,267.80 : x
  2. Step 2: Convert to fraction form
    10,992,005.70/16,488,008.55 = 9,982,267.80/x
  3. Step 3: Cross multiply
    10,992,005.70x = 16,488,008.55 × 9,982,267.80
  4. Step 4: Simplify right side
    10,992,005.70x = 164,587,716,834,789.72
  5. Step 5: Solve for x
    x = 164,587,716,834,789.72/10,992,005.70
  6. Step 6: Final answer
    x = 14,973,401.70

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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.