Home / 8,720,479.80-13,085,385.30-3,672,300.60

Finding the Fourth Proportional to 8,720,479.80, 13,085,385.30 and 3,672,300.60

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Solution

The fourth proportional to 8,720,479.80, 13,085,385.30 and 3,672,300.60 is: 5,510,415.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,720,479.80 : 13,085,385.30 = 3,672,300.60 : x
  2. Step 2: Convert to fraction form
    8,720,479.80/13,085,385.30 = 3,672,300.60/x
  3. Step 3: Cross multiply
    8,720,479.80x = 13,085,385.30 × 3,672,300.60
  4. Step 4: Simplify right side
    8,720,479.80x = 48,053,468,288,421.19
  5. Step 5: Solve for x
    x = 48,053,468,288,421.19/8,720,479.80
  6. Step 6: Final answer
    x = 5,510,415.64

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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.