Home / 8,586,927.20-12,880,390.80-5,227,695.20

Finding the Fourth Proportional to 8,586,927.20, 12,880,390.80 and 5,227,695.20

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Solution

The fourth proportional to 8,586,927.20, 12,880,390.80 and 5,227,695.20 is: 7,841,542.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586,927.20 : 12,880,390.80 = 5,227,695.20 : x
  2. Step 2: Convert to fraction form
    8,586,927.20/12,880,390.80 = 5,227,695.20/x
  3. Step 3: Cross multiply
    8,586,927.20x = 12,880,390.80 × 5,227,695.20
  4. Step 4: Simplify right side
    8,586,927.20x = 67,334,757,159,284.16
  5. Step 5: Solve for x
    x = 67,334,757,159,284.16/8,586,927.20
  6. Step 6: Final answer
    x = 7,841,542.80

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Double scale
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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.