Home / 20,342,188.12-28,072,725.90-11,049,755.26

Finding the Fourth Proportional to 20,342,188.12, 28,072,725.90 and 11,049,755.26

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Solution

The fourth proportional to 20,342,188.12, 28,072,725.90 and 11,049,755.26 is: 15,248,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,188.12 : 28,072,725.90 = 11,049,755.26 : x
  2. Step 2: Convert to fraction form
    20,342,188.12/28,072,725.90 = 11,049,755.26/x
  3. Step 3: Cross multiply
    20,342,188.12x = 28,072,725.90 × 11,049,755.26
  4. Step 4: Simplify right side
    20,342,188.12x = 310,196,750,676,063.19
  5. Step 5: Solve for x
    x = 310,196,750,676,063.19/20,342,188.12
  6. Step 6: Final answer
    x = 15,248,937.27

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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.