Home / 28,471,290.93-39,290,176.10-15,418,247.04

Finding the Fourth Proportional to 28,471,290.93, 39,290,176.10 and 15,418,247.04

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Solution

The fourth proportional to 28,471,290.93, 39,290,176.10 and 15,418,247.04 is: 21,277,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,471,290.93 : 39,290,176.10 = 15,418,247.04 : x
  2. Step 2: Convert to fraction form
    28,471,290.93/39,290,176.10 = 15,418,247.04/x
  3. Step 3: Cross multiply
    28,471,290.93x = 39,290,176.10 × 15,418,247.04
  4. Step 4: Simplify right side
    28,471,290.93x = 605,785,641,277,812.50
  5. Step 5: Solve for x
    x = 605,785,641,277,812.50/28,471,290.93
  6. Step 6: Final answer
    x = 21,277,069.69

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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.