Home / 13,028,689.92-19,543,176.36-3,930,869.01

Finding the Fourth Proportional to 13,028,689.92, 19,543,176.36 and 3,930,869.01

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Solution

The fourth proportional to 13,028,689.92, 19,543,176.36 and 3,930,869.01 is: 5,896,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,028,689.92 : 19,543,176.36 = 3,930,869.01 : x
  2. Step 2: Convert to fraction form
    13,028,689.92/19,543,176.36 = 3,930,869.01/x
  3. Step 3: Cross multiply
    13,028,689.92x = 19,543,176.36 × 3,930,869.01
  4. Step 4: Simplify right side
    13,028,689.92x = 76,821,666,310,488.59
  5. Step 5: Solve for x
    x = 76,821,666,310,488.59/13,028,689.92
  6. Step 6: Final answer
    x = 5,896,346.20

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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.