Home / 10,865,910.56-14,991,686.48-6,513,408.72

Finding the Fourth Proportional to 10,865,910.56, 14,991,686.48 and 6,513,408.72

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Solution

The fourth proportional to 10,865,910.56, 14,991,686.48 and 6,513,408.72 is: 8,986,543.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,910.56 : 14,991,686.48 = 6,513,408.72 : x
  2. Step 2: Convert to fraction form
    10,865,910.56/14,991,686.48 = 6,513,408.72/x
  3. Step 3: Cross multiply
    10,865,910.56x = 14,991,686.48 × 6,513,408.72
  4. Step 4: Simplify right side
    10,865,910.56x = 97,646,981,446,338.11
  5. Step 5: Solve for x
    x = 97,646,981,446,338.11/10,865,910.56
  6. Step 6: Final answer
    x = 8,986,543.83

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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.