Home / 6,279,024.80-9,418,537.20-5,817,130.40

Finding the Fourth Proportional to 6,279,024.80, 9,418,537.20 and 5,817,130.40

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Solution

The fourth proportional to 6,279,024.80, 9,418,537.20 and 5,817,130.40 is: 8,725,695.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279,024.80 : 9,418,537.20 = 5,817,130.40 : x
  2. Step 2: Convert to fraction form
    6,279,024.80/9,418,537.20 = 5,817,130.40/x
  3. Step 3: Cross multiply
    6,279,024.80x = 9,418,537.20 × 5,817,130.40
  4. Step 4: Simplify right side
    6,279,024.80x = 54,788,859,069,650.88
  5. Step 5: Solve for x
    x = 54,788,859,069,650.88/6,279,024.80
  6. Step 6: Final answer
    x = 8,725,695.60

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Similar ratio
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1.5x scale

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.