Home / 28,447,546-39,257,281.38-15,394,502.92

Finding the Fourth Proportional to 28,447,546, 39,257,281.38 and 15,394,502.92

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Solution

The fourth proportional to 28,447,546, 39,257,281.38 and 15,394,502.92 is: 21,244,234.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,546 : 39,257,281.38 = 15,394,502.92 : x
  2. Step 2: Convert to fraction form
    28,447,546/39,257,281.38 = 15,394,502.92/x
  3. Step 3: Cross multiply
    28,447,546x = 39,257,281.38 × 15,394,502.92
  4. Step 4: Simplify right side
    28,447,546x = 604,346,332,835,671.62
  5. Step 5: Solve for x
    x = 604,346,332,835,671.62/28,447,546
  6. Step 6: Final answer
    x = 21,244,234.31

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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.