Home / 7,887,074.20-11,851,417.47-4,246,495.78

Finding the Fourth Proportional to 7,887,074.20, 11,851,417.47 and 4,246,495.78

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Solution

The fourth proportional to 7,887,074.20, 11,851,417.47 and 4,246,495.78 is: 6,380,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887,074.20 : 11,851,417.47 = 4,246,495.78 : x
  2. Step 2: Convert to fraction form
    7,887,074.20/11,851,417.47 = 4,246,495.78/x
  3. Step 3: Cross multiply
    7,887,074.20x = 11,851,417.47 × 4,246,495.78
  4. Step 4: Simplify right side
    7,887,074.20x = 50,326,994,273,373.28
  5. Step 5: Solve for x
    x = 50,326,994,273,373.28/7,887,074.20
  6. Step 6: Final answer
    x = 6,380,945.96

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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.