Home / 7,766,780.11-10,718,227.67-4,282,243.94

Finding the Fourth Proportional to 7,766,780.11, 10,718,227.67 and 4,282,243.94

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Solution

The fourth proportional to 7,766,780.11, 10,718,227.67 and 4,282,243.94 is: 5,909,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766,780.11 : 10,718,227.67 = 4,282,243.94 : x
  2. Step 2: Convert to fraction form
    7,766,780.11/10,718,227.67 = 4,282,243.94/x
  3. Step 3: Cross multiply
    7,766,780.11x = 10,718,227.67 × 4,282,243.94
  4. Step 4: Simplify right side
    7,766,780.11x = 45,898,065,492,782.16
  5. Step 5: Solve for x
    x = 45,898,065,492,782.16/7,766,780.11
  6. Step 6: Final answer
    x = 5,909,535.85

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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.