Home / 12,490,444.16-17,231,533.88-8,361,805.04

Finding the Fourth Proportional to 12,490,444.16, 17,231,533.88 and 8,361,805.04

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Solution

The fourth proportional to 12,490,444.16, 17,231,533.88 and 8,361,805.04 is: 11,535,756.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,490,444.16 : 17,231,533.88 = 8,361,805.04 : x
  2. Step 2: Convert to fraction form
    12,490,444.16/17,231,533.88 = 8,361,805.04/x
  3. Step 3: Cross multiply
    12,490,444.16x = 17,231,533.88 × 8,361,805.04
  4. Step 4: Simplify right side
    12,490,444.16x = 144,086,726,844,714.75
  5. Step 5: Solve for x
    x = 144,086,726,844,714.75/12,490,444.16
  6. Step 6: Final answer
    x = 11,535,756.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.