Home / 12,936,132.60-19,404,198.90-8,905,054.20

Finding the Fourth Proportional to 12,936,132.60, 19,404,198.90 and 8,905,054.20

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Solution

The fourth proportional to 12,936,132.60, 19,404,198.90 and 8,905,054.20 is: 13,357,581.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,132.60 : 19,404,198.90 = 8,905,054.20 : x
  2. Step 2: Convert to fraction form
    12,936,132.60/19,404,198.90 = 8,905,054.20/x
  3. Step 3: Cross multiply
    12,936,132.60x = 19,404,198.90 × 8,905,054.20
  4. Step 4: Simplify right side
    12,936,132.60x = 172,795,442,912,080.34
  5. Step 5: Solve for x
    x = 172,795,442,912,080.34/12,936,132.60
  6. Step 6: Final answer
    x = 13,357,581.30

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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.