Home / 7,259,691.06-10,889,462.67-1,868,320.53

Finding the Fourth Proportional to 7,259,691.06, 10,889,462.67 and 1,868,320.53

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Solution

The fourth proportional to 7,259,691.06, 10,889,462.67 and 1,868,320.53 is: 2,802,461.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,259,691.06 : 10,889,462.67 = 1,868,320.53 : x
  2. Step 2: Convert to fraction form
    7,259,691.06/10,889,462.67 = 1,868,320.53/x
  3. Step 3: Cross multiply
    7,259,691.06x = 10,889,462.67 × 1,868,320.53
  4. Step 4: Simplify right side
    7,259,691.06x = 20,345,006,667,029.62
  5. Step 5: Solve for x
    x = 20,345,006,667,029.62/7,259,691.06
  6. Step 6: Final answer
    x = 2,802,461.77

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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.