Home / 6,739,977.20-10,109,965.80-4,189,060.40

Finding the Fourth Proportional to 6,739,977.20, 10,109,965.80 and 4,189,060.40

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Solution

The fourth proportional to 6,739,977.20, 10,109,965.80 and 4,189,060.40 is: 6,283,590.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,977.20 : 10,109,965.80 = 4,189,060.40 : x
  2. Step 2: Convert to fraction form
    6,739,977.20/10,109,965.80 = 4,189,060.40/x
  3. Step 3: Cross multiply
    6,739,977.20x = 10,109,965.80 × 4,189,060.40
  4. Step 4: Simplify right side
    6,739,977.20x = 42,351,257,378,134.32
  5. Step 5: Solve for x
    x = 42,351,257,378,134.32/6,739,977.20
  6. Step 6: Final answer
    x = 6,283,590.60

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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.