Home / 28,572,091.65-39,429,805.19-16,813,958.85

Finding the Fourth Proportional to 28,572,091.65, 39,429,805.19 and 16,813,958.85

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Solution

The fourth proportional to 28,572,091.65, 39,429,805.19 and 16,813,958.85 is: 23,203,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,572,091.65 : 39,429,805.19 = 16,813,958.85 : x
  2. Step 2: Convert to fraction form
    28,572,091.65/39,429,805.19 = 16,813,958.85/x
  3. Step 3: Cross multiply
    28,572,091.65x = 39,429,805.19 × 16,813,958.85
  4. Step 4: Simplify right side
    28,572,091.65x = 662,971,121,844,106.75
  5. Step 5: Solve for x
    x = 662,971,121,844,106.75/28,572,091.65
  6. Step 6: Final answer
    x = 23,203,450.76

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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.