Home / 6,739,695.20-10,109,542.80-5,145,372.20

Finding the Fourth Proportional to 6,739,695.20, 10,109,542.80 and 5,145,372.20

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Solution

The fourth proportional to 6,739,695.20, 10,109,542.80 and 5,145,372.20 is: 7,718,058.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739,695.20 : 10,109,542.80 = 5,145,372.20 : x
  2. Step 2: Convert to fraction form
    6,739,695.20/10,109,542.80 = 5,145,372.20/x
  3. Step 3: Cross multiply
    6,739,695.20x = 10,109,542.80 × 5,145,372.20
  4. Step 4: Simplify right side
    6,739,695.20x = 52,017,360,477,830.16
  5. Step 5: Solve for x
    x = 52,017,360,477,830.16/6,739,695.20
  6. Step 6: Final answer
    x = 7,718,058.30

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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.