Home / 7,238,472.24-9,989,890.20-4,141,282.80

Finding the Fourth Proportional to 7,238,472.24, 9,989,890.20 and 4,141,282.80

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Solution

The fourth proportional to 7,238,472.24, 9,989,890.20 and 4,141,282.80 is: 5,715,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,238,472.24 : 9,989,890.20 = 4,141,282.80 : x
  2. Step 2: Convert to fraction form
    7,238,472.24/9,989,890.20 = 4,141,282.80/x
  3. Step 3: Cross multiply
    7,238,472.24x = 9,989,890.20 × 4,141,282.80
  4. Step 4: Simplify right side
    7,238,472.24x = 41,370,960,459,148.55
  5. Step 5: Solve for x
    x = 41,370,960,459,148.55/7,238,472.24
  6. Step 6: Final answer
    x = 5,715,427.11

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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.