Home / 8,691,415.20-13,037,122.80-5,098,903.20

Finding the Fourth Proportional to 8,691,415.20, 13,037,122.80 and 5,098,903.20

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Solution

The fourth proportional to 8,691,415.20, 13,037,122.80 and 5,098,903.20 is: 7,648,354.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,691,415.20 : 13,037,122.80 = 5,098,903.20 : x
  2. Step 2: Convert to fraction form
    8,691,415.20/13,037,122.80 = 5,098,903.20/x
  3. Step 3: Cross multiply
    8,691,415.20x = 13,037,122.80 × 5,098,903.20
  4. Step 4: Simplify right side
    8,691,415.20x = 66,475,027,163,712.97
  5. Step 5: Solve for x
    x = 66,475,027,163,712.97/8,691,415.20
  6. Step 6: Final answer
    x = 7,648,354.80

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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.