Home / 8,448,004.20-12,672,006.30-5,088,772.20

Finding the Fourth Proportional to 8,448,004.20, 12,672,006.30 and 5,088,772.20

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Solution

The fourth proportional to 8,448,004.20, 12,672,006.30 and 5,088,772.20 is: 7,633,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448,004.20 : 12,672,006.30 = 5,088,772.20 : x
  2. Step 2: Convert to fraction form
    8,448,004.20/12,672,006.30 = 5,088,772.20/x
  3. Step 3: Cross multiply
    8,448,004.20x = 12,672,006.30 × 5,088,772.20
  4. Step 4: Simplify right side
    8,448,004.20x = 64,484,953,377,664.87
  5. Step 5: Solve for x
    x = 64,484,953,377,664.87/8,448,004.20
  6. Step 6: Final answer
    x = 7,633,158.30

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Similar ratio
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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.