Home / 8,147,628.30-12,221,442.45-3,668,652.30

Finding the Fourth Proportional to 8,147,628.30, 12,221,442.45 and 3,668,652.30

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Solution

The fourth proportional to 8,147,628.30, 12,221,442.45 and 3,668,652.30 is: 5,502,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,147,628.30 : 12,221,442.45 = 3,668,652.30 : x
  2. Step 2: Convert to fraction form
    8,147,628.30/12,221,442.45 = 3,668,652.30/x
  3. Step 3: Cross multiply
    8,147,628.30x = 12,221,442.45 × 3,668,652.30
  4. Step 4: Simplify right side
    8,147,628.30x = 44,836,222,953,510.13
  5. Step 5: Solve for x
    x = 44,836,222,953,510.13/8,147,628.30
  6. Step 6: Final answer
    x = 5,502,978.45

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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.