Home / 9,785,896.20-14,678,844.30-8,740,801.80

Finding the Fourth Proportional to 9,785,896.20, 14,678,844.30 and 8,740,801.80

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Solution

The fourth proportional to 9,785,896.20, 14,678,844.30 and 8,740,801.80 is: 13,111,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785,896.20 : 14,678,844.30 = 8,740,801.80 : x
  2. Step 2: Convert to fraction form
    9,785,896.20/14,678,844.30 = 8,740,801.80/x
  3. Step 3: Cross multiply
    9,785,896.20x = 14,678,844.30 × 8,740,801.80
  4. Step 4: Simplify right side
    9,785,896.20x = 128,304,868,679,359.75
  5. Step 5: Solve for x
    x = 128,304,868,679,359.75/9,785,896.20
  6. Step 6: Final answer
    x = 13,111,202.70

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Double scale
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Similar ratio
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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.