Home / 13,123,228.80-19,684,843.20-9,071,155.20

Finding the Fourth Proportional to 13,123,228.80, 19,684,843.20 and 9,071,155.20

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Solution

The fourth proportional to 13,123,228.80, 19,684,843.20 and 9,071,155.20 is: 13,606,732.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,228.80 : 19,684,843.20 = 9,071,155.20 : x
  2. Step 2: Convert to fraction form
    13,123,228.80/19,684,843.20 = 9,071,155.20/x
  3. Step 3: Cross multiply
    13,123,228.80x = 19,684,843.20 × 9,071,155.20
  4. Step 4: Simplify right side
    13,123,228.80x = 178,564,267,754,864.62
  5. Step 5: Solve for x
    x = 178,564,267,754,864.62/13,123,228.80
  6. Step 6: Final answer
    x = 13,606,732.80

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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.