Home / 28,072,634.40-42,108,951.60-8,904,891.60

Finding the Fourth Proportional to 28,072,634.40, 42,108,951.60 and 8,904,891.60

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Solution

The fourth proportional to 28,072,634.40, 42,108,951.60 and 8,904,891.60 is: 13,357,337.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072,634.40 : 42,108,951.60 = 8,904,891.60 : x
  2. Step 2: Convert to fraction form
    28,072,634.40/42,108,951.60 = 8,904,891.60/x
  3. Step 3: Cross multiply
    28,072,634.40x = 42,108,951.60 × 8,904,891.60
  4. Step 4: Simplify right side
    28,072,634.40x = 374,975,649,387,646.56
  5. Step 5: Solve for x
    x = 374,975,649,387,646.56/28,072,634.40
  6. Step 6: Final answer
    x = 13,357,337.40

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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.