Home / 28,092,071.10-42,120,999.45-11,032,304.70

Finding the Fourth Proportional to 28,092,071.10, 42,120,999.45 and 11,032,304.70

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Solution

The fourth proportional to 28,092,071.10, 42,120,999.45 and 11,032,304.70 is: 16,541,738.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092,071.10 : 42,120,999.45 = 11,032,304.70 : x
  2. Step 2: Convert to fraction form
    28,092,071.10/42,120,999.45 = 11,032,304.70/x
  3. Step 3: Cross multiply
    28,092,071.10x = 42,120,999.45 × 11,032,304.70
  4. Step 4: Simplify right side
    28,092,071.10x = 464,691,700,200,932.44
  5. Step 5: Solve for x
    x = 464,691,700,200,932.44/28,092,071.10
  6. Step 6: Final answer
    x = 16,541,738.72

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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.