Home / 28,953,082.29-39,955,108.77-15,722,141.34

Finding the Fourth Proportional to 28,953,082.29, 39,955,108.77 and 15,722,141.34

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Solution

The fourth proportional to 28,953,082.29, 39,955,108.77 and 15,722,141.34 is: 21,696,476.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,953,082.29 : 39,955,108.77 = 15,722,141.34 : x
  2. Step 2: Convert to fraction form
    28,953,082.29/39,955,108.77 = 15,722,141.34/x
  3. Step 3: Cross multiply
    28,953,082.29x = 39,955,108.77 × 15,722,141.34
  4. Step 4: Simplify right side
    28,953,082.29x = 628,179,867,337,013.62
  5. Step 5: Solve for x
    x = 628,179,867,337,013.62/28,953,082.29
  6. Step 6: Final answer
    x = 21,696,476.43

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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.