Home / 28,937,765.92-39,933,959.34-15,885,246.96

Finding the Fourth Proportional to 28,937,765.92, 39,933,959.34 and 15,885,246.96

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Solution

The fourth proportional to 28,937,765.92, 39,933,959.34 and 15,885,246.96 is: 21,921,554.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,937,765.92 : 39,933,959.34 = 15,885,246.96 : x
  2. Step 2: Convert to fraction form
    28,937,765.92/39,933,959.34 = 15,885,246.96/x
  3. Step 3: Cross multiply
    28,937,765.92x = 39,933,959.34 × 15,885,246.96
  4. Step 4: Simplify right side
    28,937,765.92x = 634,360,806,206,498.75
  5. Step 5: Solve for x
    x = 634,360,806,206,498.75/28,937,765.92
  6. Step 6: Final answer
    x = 21,921,554.27

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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.