Home / 8,731,090.20-13,102,540.20-4,892,905.20

Finding the Fourth Proportional to 8,731,090.20, 13,102,540.20 and 4,892,905.20

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Solution

The fourth proportional to 8,731,090.20, 13,102,540.20 and 4,892,905.20 is: 7,342,666.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,090.20 : 13,102,540.20 = 4,892,905.20 : x
  2. Step 2: Convert to fraction form
    8,731,090.20/13,102,540.20 = 4,892,905.20/x
  3. Step 3: Cross multiply
    8,731,090.20x = 13,102,540.20 × 4,892,905.20
  4. Step 4: Simplify right side
    8,731,090.20x = 64,109,487,077,789.04
  5. Step 5: Solve for x
    x = 64,109,487,077,789.04/8,731,090.20
  6. Step 6: Final answer
    x = 7,342,666.91

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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.