Home / 7,282,432.12-10,049,777.68-3,974,756.90

Finding the Fourth Proportional to 7,282,432.12, 10,049,777.68 and 3,974,756.90

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Solution

The fourth proportional to 7,282,432.12, 10,049,777.68 and 3,974,756.90 is: 5,485,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282,432.12 : 10,049,777.68 = 3,974,756.90 : x
  2. Step 2: Convert to fraction form
    7,282,432.12/10,049,777.68 = 3,974,756.90/x
  3. Step 3: Cross multiply
    7,282,432.12x = 10,049,777.68 × 3,974,756.90
  4. Step 4: Simplify right side
    7,282,432.12x = 39,945,423,177,045.99
  5. Step 5: Solve for x
    x = 39,945,423,177,045.99/7,282,432.12
  6. Step 6: Final answer
    x = 5,485,176.18

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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.