Home / 47,910,378.96-71,836,838.11-21,970,184.15

Finding the Fourth Proportional to 47,910,378.96, 71,836,838.11 and 21,970,184.15

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Solution

The fourth proportional to 47,910,378.96, 71,836,838.11 and 21,970,184.15 is: 32,942,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910,378.96 : 71,836,838.11 = 21,970,184.15 : x
  2. Step 2: Convert to fraction form
    47,910,378.96/71,836,838.11 = 21,970,184.15/x
  3. Step 3: Cross multiply
    47,910,378.96x = 71,836,838.11 × 21,970,184.15
  4. Step 4: Simplify right side
    47,910,378.96x = 1,578,268,562,030,437.75
  5. Step 5: Solve for x
    x = 1,578,268,562,030,437.75/47,910,378.96
  6. Step 6: Final answer
    x = 32,942,101.40

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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.