Home / 12,415,051.46-17,123,065.17-8,065,539.18

Finding the Fourth Proportional to 12,415,051.46, 17,123,065.17 and 8,065,539.18

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Solution

The fourth proportional to 12,415,051.46, 17,123,065.17 and 8,065,539.18 is: 11,124,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,051.46 : 17,123,065.17 = 8,065,539.18 : x
  2. Step 2: Convert to fraction form
    12,415,051.46/17,123,065.17 = 8,065,539.18/x
  3. Step 3: Cross multiply
    12,415,051.46x = 17,123,065.17 × 8,065,539.18
  4. Step 4: Simplify right side
    12,415,051.46x = 138,106,753,010,328.38
  5. Step 5: Solve for x
    x = 138,106,753,010,328.38/12,415,051.46
  6. Step 6: Final answer
    x = 11,124,138.59

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.