Home / 28,585,292.05-39,447,617.15-15,532,590.79

Finding the Fourth Proportional to 28,585,292.05, 39,447,617.15 and 15,532,590.79

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Solution

The fourth proportional to 28,585,292.05, 39,447,617.15 and 15,532,590.79 is: 21,434,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,292.05 : 39,447,617.15 = 15,532,590.79 : x
  2. Step 2: Convert to fraction form
    28,585,292.05/39,447,617.15 = 15,532,590.79/x
  3. Step 3: Cross multiply
    28,585,292.05x = 39,447,617.15 × 15,532,590.79
  4. Step 4: Simplify right side
    28,585,292.05x = 612,723,694,655,254.12
  5. Step 5: Solve for x
    x = 612,723,694,655,254.12/28,585,292.05
  6. Step 6: Final answer
    x = 21,434,928.62

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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.