Home / 47,723,628.50-71,584,985.35-28,278,857.52

Finding the Fourth Proportional to 47,723,628.50, 71,584,985.35 and 28,278,857.52

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Solution

The fourth proportional to 47,723,628.50, 71,584,985.35 and 28,278,857.52 is: 42,418,015.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,723,628.50 : 71,584,985.35 = 28,278,857.52 : x
  2. Step 2: Convert to fraction form
    47,723,628.50/71,584,985.35 = 28,278,857.52/x
  3. Step 3: Cross multiply
    47,723,628.50x = 71,584,985.35 × 28,278,857.52
  4. Step 4: Simplify right side
    47,723,628.50x = 2,024,341,601,050,842
  5. Step 5: Solve for x
    x = 2,024,341,601,050,842/47,723,628.50
  6. Step 6: Final answer
    x = 42,418,015.24

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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.