Home / 7,150,638.60-9,868,075.92-3,887,672.88

Finding the Fourth Proportional to 7,150,638.60, 9,868,075.92 and 3,887,672.88

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Solution

The fourth proportional to 7,150,638.60, 9,868,075.92 and 3,887,672.88 is: 5,365,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,150,638.60 : 9,868,075.92 = 3,887,672.88 : x
  2. Step 2: Convert to fraction form
    7,150,638.60/9,868,075.92 = 3,887,672.88/x
  3. Step 3: Cross multiply
    7,150,638.60x = 9,868,075.92 × 3,887,672.88
  4. Step 4: Simplify right side
    7,150,638.60x = 38,363,851,131,965.05
  5. Step 5: Solve for x
    x = 38,363,851,131,965.05/7,150,638.60
  6. Step 6: Final answer
    x = 5,365,094.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.