Home / 10,399,541.29-14,354,974.07-7,147,122.37

Finding the Fourth Proportional to 10,399,541.29, 14,354,974.07 and 7,147,122.37

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Solution

The fourth proportional to 10,399,541.29, 14,354,974.07 and 7,147,122.37 is: 9,865,507.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,399,541.29 : 14,354,974.07 = 7,147,122.37 : x
  2. Step 2: Convert to fraction form
    10,399,541.29/14,354,974.07 = 7,147,122.37/x
  3. Step 3: Cross multiply
    10,399,541.29x = 14,354,974.07 × 7,147,122.37
  4. Step 4: Simplify right side
    10,399,541.29x = 102,596,756,251,645.59
  5. Step 5: Solve for x
    x = 102,596,756,251,645.59/10,399,541.29
  6. Step 6: Final answer
    x = 9,865,507.85

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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.