Home / 8,449,411.20-12,672,561.60-5,248,809.60

Finding the Fourth Proportional to 8,449,411.20, 12,672,561.60 and 5,248,809.60

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Solution

The fourth proportional to 8,449,411.20, 12,672,561.60 and 5,248,809.60 is: 7,872,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,449,411.20 : 12,672,561.60 = 5,248,809.60 : x
  2. Step 2: Convert to fraction form
    8,449,411.20/12,672,561.60 = 5,248,809.60/x
  3. Step 3: Cross multiply
    8,449,411.20x = 12,672,561.60 × 5,248,809.60
  4. Step 4: Simplify right side
    8,449,411.20x = 66,515,862,982,671.35
  5. Step 5: Solve for x
    x = 66,515,862,982,671.35/8,449,411.20
  6. Step 6: Final answer
    x = 7,872,248.30

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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.