Home / 19,926,280.20-29,889,420.30-5,551,566.60

Finding the Fourth Proportional to 19,926,280.20, 29,889,420.30 and 5,551,566.60

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Solution

The fourth proportional to 19,926,280.20, 29,889,420.30 and 5,551,566.60 is: 8,327,349.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,926,280.20 : 29,889,420.30 = 5,551,566.60 : x
  2. Step 2: Convert to fraction form
    19,926,280.20/29,889,420.30 = 5,551,566.60/x
  3. Step 3: Cross multiply
    19,926,280.20x = 29,889,420.30 × 5,551,566.60
  4. Step 4: Simplify right side
    19,926,280.20x = 165,933,107,430,841.97
  5. Step 5: Solve for x
    x = 165,933,107,430,841.97/19,926,280.20
  6. Step 6: Final answer
    x = 8,327,349.90

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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.