Home / 13,786,877.70-20,680,316.55-3,689,498.70

Finding the Fourth Proportional to 13,786,877.70, 20,680,316.55 and 3,689,498.70

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Solution

The fourth proportional to 13,786,877.70, 20,680,316.55 and 3,689,498.70 is: 5,534,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786,877.70 : 20,680,316.55 = 3,689,498.70 : x
  2. Step 2: Convert to fraction form
    13,786,877.70/20,680,316.55 = 3,689,498.70/x
  3. Step 3: Cross multiply
    13,786,877.70x = 20,680,316.55 × 3,689,498.70
  4. Step 4: Simplify right side
    13,786,877.70x = 76,300,001,026,813.48
  5. Step 5: Solve for x
    x = 76,300,001,026,813.48/13,786,877.70
  6. Step 6: Final answer
    x = 5,534,248.05

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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.