Home / 14,785,033.38-20,403,417.12-8,258,937.90

Finding the Fourth Proportional to 14,785,033.38, 20,403,417.12 and 8,258,937.90

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Solution

The fourth proportional to 14,785,033.38, 20,403,417.12 and 8,258,937.90 is: 11,397,373.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785,033.38 : 20,403,417.12 = 8,258,937.90 : x
  2. Step 2: Convert to fraction form
    14,785,033.38/20,403,417.12 = 8,258,937.90/x
  3. Step 3: Cross multiply
    14,785,033.38x = 20,403,417.12 × 8,258,937.90
  4. Step 4: Simplify right side
    14,785,033.38x = 168,510,554,941,876.88
  5. Step 5: Solve for x
    x = 168,510,554,941,876.88/14,785,033.38
  6. Step 6: Final answer
    x = 11,397,373.99

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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.