Home / 8,764,476.80-13,146,715.20-4,985,340.80

Finding the Fourth Proportional to 8,764,476.80, 13,146,715.20 and 4,985,340.80

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Solution

The fourth proportional to 8,764,476.80, 13,146,715.20 and 4,985,340.80 is: 7,478,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,764,476.80 : 13,146,715.20 = 4,985,340.80 : x
  2. Step 2: Convert to fraction form
    8,764,476.80/13,146,715.20 = 4,985,340.80/x
  3. Step 3: Cross multiply
    8,764,476.80x = 13,146,715.20 × 4,985,340.80
  4. Step 4: Simplify right side
    8,764,476.80x = 65,540,855,672,540.16
  5. Step 5: Solve for x
    x = 65,540,855,672,540.16/8,764,476.80
  6. Step 6: Final answer
    x = 7,478,011.20

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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.