Home / 28,585,291.80-39,447,616.80-15,532,590.54

Finding the Fourth Proportional to 28,585,291.80, 39,447,616.80 and 15,532,590.54

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Solution

The fourth proportional to 28,585,291.80, 39,447,616.80 and 15,532,590.54 is: 21,434,928.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,585,291.80 : 39,447,616.80 = 15,532,590.54 : x
  2. Step 2: Convert to fraction form
    28,585,291.80/39,447,616.80 = 15,532,590.54/x
  3. Step 3: Cross multiply
    28,585,291.80x = 39,447,616.80 × 15,532,590.54
  4. Step 4: Simplify right side
    28,585,291.80x = 612,723,679,533,225
  5. Step 5: Solve for x
    x = 612,723,679,533,225/28,585,291.80
  6. Step 6: Final answer
    x = 21,434,928.28

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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.