Home / 22,218,699.12-30,660,357.24-12,427,445.04

Finding the Fourth Proportional to 22,218,699.12, 30,660,357.24 and 12,427,445.04

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Solution

The fourth proportional to 22,218,699.12, 30,660,357.24 and 12,427,445.04 is: 17,149,064.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218,699.12 : 30,660,357.24 = 12,427,445.04 : x
  2. Step 2: Convert to fraction form
    22,218,699.12/30,660,357.24 = 12,427,445.04/x
  3. Step 3: Cross multiply
    22,218,699.12x = 30,660,357.24 × 12,427,445.04
  4. Step 4: Simplify right side
    22,218,699.12x = 381,029,904,506,866.06
  5. Step 5: Solve for x
    x = 381,029,904,506,866.06/22,218,699.12
  6. Step 6: Final answer
    x = 17,149,064.51

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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.