Home / 20,594,507.66-28,418,542-12,220,434.18

Finding the Fourth Proportional to 20,594,507.66, 28,418,542 and 12,220,434.18

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Solution

The fourth proportional to 20,594,507.66, 28,418,542 and 12,220,434.18 is: 16,863,084.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,594,507.66 : 28,418,542 = 12,220,434.18 : x
  2. Step 2: Convert to fraction form
    20,594,507.66/28,418,542 = 12,220,434.18/x
  3. Step 3: Cross multiply
    20,594,507.66x = 28,418,542 × 12,220,434.18
  4. Step 4: Simplify right side
    20,594,507.66x = 347,286,922,002,565.56
  5. Step 5: Solve for x
    x = 347,286,922,002,565.56/20,594,507.66
  6. Step 6: Final answer
    x = 16,863,084.46

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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.