Home / 9,091,660.57-12,546,785.15-5,171,315.95

Finding the Fourth Proportional to 9,091,660.57, 12,546,785.15 and 5,171,315.95

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Solution

The fourth proportional to 9,091,660.57, 12,546,785.15 and 5,171,315.95 is: 7,136,582.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091,660.57 : 12,546,785.15 = 5,171,315.95 : x
  2. Step 2: Convert to fraction form
    9,091,660.57/12,546,785.15 = 5,171,315.95/x
  3. Step 3: Cross multiply
    9,091,660.57x = 12,546,785.15 × 5,171,315.95
  4. Step 4: Simplify right side
    9,091,660.57x = 64,883,390,148,979.47
  5. Step 5: Solve for x
    x = 64,883,390,148,979.47/9,091,660.57
  6. Step 6: Final answer
    x = 7,136,582.99

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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.