Home / 28,949,226.47-39,950,626.61-15,718,961.01

Finding the Fourth Proportional to 28,949,226.47, 39,950,626.61 and 15,718,961.01

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Solution

The fourth proportional to 28,949,226.47, 39,950,626.61 and 15,718,961.01 is: 21,692,543.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,949,226.47 : 39,950,626.61 = 15,718,961.01 : x
  2. Step 2: Convert to fraction form
    28,949,226.47/39,950,626.61 = 15,718,961.01/x
  3. Step 3: Cross multiply
    28,949,226.47x = 39,950,626.61 × 15,718,961.01
  4. Step 4: Simplify right side
    28,949,226.47x = 627,982,341,988,009.75
  5. Step 5: Solve for x
    x = 627,982,341,988,009.75/28,949,226.47
  6. Step 6: Final answer
    x = 21,692,543.07

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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.