Home / 28,447,443.57-39,257,591.81-15,394,703.12

Finding the Fourth Proportional to 28,447,443.57, 39,257,591.81 and 15,394,703.12

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Solution

The fourth proportional to 28,447,443.57, 39,257,591.81 and 15,394,703.12 is: 21,244,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,447,443.57 : 39,257,591.81 = 15,394,703.12 : x
  2. Step 2: Convert to fraction form
    28,447,443.57/39,257,591.81 = 15,394,703.12/x
  3. Step 3: Cross multiply
    28,447,443.57x = 39,257,591.81 × 15,394,703.12
  4. Step 4: Simplify right side
    28,447,443.57x = 604,358,971,121,093.50
  5. Step 5: Solve for x
    x = 604,358,971,121,093.50/28,447,443.57
  6. Step 6: Final answer
    x = 21,244,755.07

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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.