Home / 12,057,701.40-18,086,552.10-7,274,732.40

Finding the Fourth Proportional to 12,057,701.40, 18,086,552.10 and 7,274,732.40

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Solution

The fourth proportional to 12,057,701.40, 18,086,552.10 and 7,274,732.40 is: 10,912,098.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,057,701.40 : 18,086,552.10 = 7,274,732.40 : x
  2. Step 2: Convert to fraction form
    12,057,701.40/18,086,552.10 = 7,274,732.40/x
  3. Step 3: Cross multiply
    12,057,701.40x = 18,086,552.10 × 7,274,732.40
  4. Step 4: Simplify right side
    12,057,701.40x = 131,574,826,566,158.06
  5. Step 5: Solve for x
    x = 131,574,826,566,158.06/12,057,701.40
  6. Step 6: Final answer
    x = 10,912,098.60

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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.