Home / 8,678,510.60-13,017,765.90-5,655,201.80

Finding the Fourth Proportional to 8,678,510.60, 13,017,765.90 and 5,655,201.80

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Solution

The fourth proportional to 8,678,510.60, 13,017,765.90 and 5,655,201.80 is: 8,482,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,510.60 : 13,017,765.90 = 5,655,201.80 : x
  2. Step 2: Convert to fraction form
    8,678,510.60/13,017,765.90 = 5,655,201.80/x
  3. Step 3: Cross multiply
    8,678,510.60x = 13,017,765.90 × 5,655,201.80
  4. Step 4: Simplify right side
    8,678,510.60x = 73,618,093,149,658.62
  5. Step 5: Solve for x
    x = 73,618,093,149,658.62/8,678,510.60
  6. Step 6: Final answer
    x = 8,482,802.70

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1.5x scale

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.