Home / 28,226,111.29-38,965,720.92-18,930,281.15

Finding the Fourth Proportional to 28,226,111.29, 38,965,720.92 and 18,930,281.15

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Solution

The fourth proportional to 28,226,111.29, 38,965,720.92 and 18,930,281.15 is: 26,132,967.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,226,111.29 : 38,965,720.92 = 18,930,281.15 : x
  2. Step 2: Convert to fraction form
    28,226,111.29/38,965,720.92 = 18,930,281.15/x
  3. Step 3: Cross multiply
    28,226,111.29x = 38,965,720.92 × 18,930,281.15
  4. Step 4: Simplify right side
    28,226,111.29x = 737,632,052,254,462.38
  5. Step 5: Solve for x
    x = 737,632,052,254,462.38/28,226,111.29
  6. Step 6: Final answer
    x = 26,132,967.62

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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.