Home / 28,512,381.40-42,766,423.62-9,080,823.64

Finding the Fourth Proportional to 28,512,381.40, 42,766,423.62 and 9,080,823.64

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Solution

The fourth proportional to 28,512,381.40, 42,766,423.62 and 9,080,823.64 is: 13,620,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,512,381.40 : 42,766,423.62 = 9,080,823.64 : x
  2. Step 2: Convert to fraction form
    28,512,381.40/42,766,423.62 = 9,080,823.64/x
  3. Step 3: Cross multiply
    28,512,381.40x = 42,766,423.62 × 9,080,823.64
  4. Step 4: Simplify right side
    28,512,381.40x = 388,354,350,606,750.38
  5. Step 5: Solve for x
    x = 388,354,350,606,750.38/28,512,381.40
  6. Step 6: Final answer
    x = 13,620,551.20

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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.