Home / 8,781,403.70-13,172,105.55-5,767,814.90

Finding the Fourth Proportional to 8,781,403.70, 13,172,105.55 and 5,767,814.90

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Solution

The fourth proportional to 8,781,403.70, 13,172,105.55 and 5,767,814.90 is: 8,651,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,403.70 : 13,172,105.55 = 5,767,814.90 : x
  2. Step 2: Convert to fraction form
    8,781,403.70/13,172,105.55 = 5,767,814.90/x
  3. Step 3: Cross multiply
    8,781,403.70x = 13,172,105.55 × 5,767,814.90
  4. Step 4: Simplify right side
    8,781,403.70x = 75,974,266,655,662.70
  5. Step 5: Solve for x
    x = 75,974,266,655,662.70/8,781,403.70
  6. Step 6: Final answer
    x = 8,651,722.35

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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.