Home / 28,908,432.39-39,893,694.24-15,855,798.57

Finding the Fourth Proportional to 28,908,432.39, 39,893,694.24 and 15,855,798.57

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Solution

The fourth proportional to 28,908,432.39, 39,893,694.24 and 15,855,798.57 is: 21,881,033.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,908,432.39 : 39,893,694.24 = 15,855,798.57 : x
  2. Step 2: Convert to fraction form
    28,908,432.39/39,893,694.24 = 15,855,798.57/x
  3. Step 3: Cross multiply
    28,908,432.39x = 39,893,694.24 × 15,855,798.57
  4. Step 4: Simplify right side
    28,908,432.39x = 632,546,380,082,609.25
  5. Step 5: Solve for x
    x = 632,546,380,082,609.25/28,908,432.39
  6. Step 6: Final answer
    x = 21,881,033.59

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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.