Home / 28,970,242.80-43,455,364.20-15,304,700.40

Finding the Fourth Proportional to 28,970,242.80, 43,455,364.20 and 15,304,700.40

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Solution

The fourth proportional to 28,970,242.80, 43,455,364.20 and 15,304,700.40 is: 22,957,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,242.80 : 43,455,364.20 = 15,304,700.40 : x
  2. Step 2: Convert to fraction form
    28,970,242.80/43,455,364.20 = 15,304,700.40/x
  3. Step 3: Cross multiply
    28,970,242.80x = 43,455,364.20 × 15,304,700.40
  4. Step 4: Simplify right side
    28,970,242.80x = 665,071,329,853,885.75
  5. Step 5: Solve for x
    x = 665,071,329,853,885.75/28,970,242.80
  6. Step 6: Final answer
    x = 22,957,050.60

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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.