Home / 12,152,028.30-18,228,042.45-3,176,580.30

Finding the Fourth Proportional to 12,152,028.30, 18,228,042.45 and 3,176,580.30

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Solution

The fourth proportional to 12,152,028.30, 18,228,042.45 and 3,176,580.30 is: 4,764,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152,028.30 : 18,228,042.45 = 3,176,580.30 : x
  2. Step 2: Convert to fraction form
    12,152,028.30/18,228,042.45 = 3,176,580.30/x
  3. Step 3: Cross multiply
    12,152,028.30x = 18,228,042.45 × 3,176,580.30
  4. Step 4: Simplify right side
    12,152,028.30x = 57,902,840,554,233.73
  5. Step 5: Solve for x
    x = 57,902,840,554,233.73/12,152,028.30
  6. Step 6: Final answer
    x = 4,764,870.45

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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.