Home / 15,869,724.60-21,900,234.06-8,626,380.60

Finding the Fourth Proportional to 15,869,724.60, 21,900,234.06 and 8,626,380.60

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Solution

The fourth proportional to 15,869,724.60, 21,900,234.06 and 8,626,380.60 is: 11,904,412.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,869,724.60 : 21,900,234.06 = 8,626,380.60 : x
  2. Step 2: Convert to fraction form
    15,869,724.60/21,900,234.06 = 8,626,380.60/x
  3. Step 3: Cross multiply
    15,869,724.60x = 21,900,234.06 × 8,626,380.60
  4. Step 4: Simplify right side
    15,869,724.60x = 188,919,754,230,643.22
  5. Step 5: Solve for x
    x = 188,919,754,230,643.22/15,869,724.60
  6. Step 6: Final answer
    x = 11,904,412.90

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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.