Home / 20,186,339.60-30,286,507.80-8,834,934.80

Finding the Fourth Proportional to 20,186,339.60, 30,286,507.80 and 8,834,934.80

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Solution

The fourth proportional to 20,186,339.60, 30,286,507.80 and 8,834,934.80 is: 13,255,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,339.60 : 30,286,507.80 = 8,834,934.80 : x
  2. Step 2: Convert to fraction form
    20,186,339.60/30,286,507.80 = 8,834,934.80/x
  3. Step 3: Cross multiply
    20,186,339.60x = 30,286,507.80 × 8,834,934.80
  4. Step 4: Simplify right side
    20,186,339.60x = 267,579,321,732,691.47
  5. Step 5: Solve for x
    x = 267,579,321,732,691.47/20,186,339.60
  6. Step 6: Final answer
    x = 13,255,465.18

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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.