Home / 12,936,008.60-19,404,012.90-8,904,930.20

Finding the Fourth Proportional to 12,936,008.60, 19,404,012.90 and 8,904,930.20

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Solution

The fourth proportional to 12,936,008.60, 19,404,012.90 and 8,904,930.20 is: 13,357,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,936,008.60 : 19,404,012.90 = 8,904,930.20 : x
  2. Step 2: Convert to fraction form
    12,936,008.60/19,404,012.90 = 8,904,930.20/x
  3. Step 3: Cross multiply
    12,936,008.60x = 19,404,012.90 × 8,904,930.20
  4. Step 4: Simplify right side
    12,936,008.60x = 172,791,380,474,399.56
  5. Step 5: Solve for x
    x = 172,791,380,474,399.56/12,936,008.60
  6. Step 6: Final answer
    x = 13,357,395.30

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1.5x scale

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.