Home / 9,123,637.80-13,685,456.70-8,981,920.20

Finding the Fourth Proportional to 9,123,637.80, 13,685,456.70 and 8,981,920.20

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Solution

The fourth proportional to 9,123,637.80, 13,685,456.70 and 8,981,920.20 is: 13,472,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,123,637.80 : 13,685,456.70 = 8,981,920.20 : x
  2. Step 2: Convert to fraction form
    9,123,637.80/13,685,456.70 = 8,981,920.20/x
  3. Step 3: Cross multiply
    9,123,637.80x = 13,685,456.70 × 8,981,920.20
  4. Step 4: Simplify right side
    9,123,637.80x = 122,921,679,979,955.33
  5. Step 5: Solve for x
    x = 122,921,679,979,955.33/9,123,637.80
  6. Step 6: Final answer
    x = 13,472,880.30

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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.