Home / 28,638,097.25-39,520,676.55-15,585,512.63

Finding the Fourth Proportional to 28,638,097.25, 39,520,676.55 and 15,585,512.63

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Solution

The fourth proportional to 28,638,097.25, 39,520,676.55 and 15,585,512.63 is: 21,508,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,638,097.25 : 39,520,676.55 = 15,585,512.63 : x
  2. Step 2: Convert to fraction form
    28,638,097.25/39,520,676.55 = 15,585,512.63/x
  3. Step 3: Cross multiply
    28,638,097.25x = 39,520,676.55 × 15,585,512.63
  4. Step 4: Simplify right side
    28,638,097.25x = 615,950,003,240,638.88
  5. Step 5: Solve for x
    x = 615,950,003,240,638.88/28,638,097.25
  6. Step 6: Final answer
    x = 21,508,063.12

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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.