Home / 47,280,059.20-70,867,600.80-18,516,635.20

Finding the Fourth Proportional to 47,280,059.20, 70,867,600.80 and 18,516,635.20

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Solution

The fourth proportional to 47,280,059.20, 70,867,600.80 and 18,516,635.20 is: 27,754,396.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,280,059.20 : 70,867,600.80 = 18,516,635.20 : x
  2. Step 2: Convert to fraction form
    47,280,059.20/70,867,600.80 = 18,516,635.20/x
  3. Step 3: Cross multiply
    47,280,059.20x = 70,867,600.80 × 18,516,635.20
  4. Step 4: Simplify right side
    47,280,059.20x = 1,312,229,511,512,828
  5. Step 5: Solve for x
    x = 1,312,229,511,512,828/47,280,059.20
  6. Step 6: Final answer
    x = 27,754,396.54

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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.