Home / 11,689,419.55-16,131,897.20-6,532,781.05

Finding the Fourth Proportional to 11,689,419.55, 16,131,897.20 and 6,532,781.05

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Solution

The fourth proportional to 11,689,419.55, 16,131,897.20 and 6,532,781.05 is: 9,015,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,689,419.55 : 16,131,897.20 = 6,532,781.05 : x
  2. Step 2: Convert to fraction form
    11,689,419.55/16,131,897.20 = 6,532,781.05/x
  3. Step 3: Cross multiply
    11,689,419.55x = 16,131,897.20 × 6,532,781.05
  4. Step 4: Simplify right side
    11,689,419.55x = 105,386,152,328,708.05
  5. Step 5: Solve for x
    x = 105,386,152,328,708.05/11,689,419.55
  6. Step 6: Final answer
    x = 9,015,516.29

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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.