Home / 47,880,084.60-71,829,458.10-20,586,324.60

Finding the Fourth Proportional to 47,880,084.60, 71,829,458.10 and 20,586,324.60

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Solution

The fourth proportional to 47,880,084.60, 71,829,458.10 and 20,586,324.60 is: 30,883,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,880,084.60 : 71,829,458.10 = 20,586,324.60 : x
  2. Step 2: Convert to fraction form
    47,880,084.60/71,829,458.10 = 20,586,324.60/x
  3. Step 3: Cross multiply
    47,880,084.60x = 71,829,458.10 × 20,586,324.60
  4. Step 4: Simplify right side
    47,880,084.60x = 1,478,704,540,288,699.25
  5. Step 5: Solve for x
    x = 1,478,704,540,288,699.25/47,880,084.60
  6. Step 6: Final answer
    x = 30,883,498.90

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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.