Home / 47,954,977.20-71,932,465.80-17,658,903.60

Finding the Fourth Proportional to 47,954,977.20, 71,932,465.80 and 17,658,903.60

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Solution

The fourth proportional to 47,954,977.20, 71,932,465.80 and 17,658,903.60 is: 26,488,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,954,977.20 : 71,932,465.80 = 17,658,903.60 : x
  2. Step 2: Convert to fraction form
    47,954,977.20/71,932,465.80 = 17,658,903.60/x
  3. Step 3: Cross multiply
    47,954,977.20x = 71,932,465.80 × 17,658,903.60
  4. Step 4: Simplify right side
    47,954,977.20x = 1,270,248,479,272,497
  5. Step 5: Solve for x
    x = 1,270,248,479,272,497/47,954,977.20
  6. Step 6: Final answer
    x = 26,488,355.40

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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.