Home / 15,370,645.05-21,197,760.85-12,753,004.91

Finding the Fourth Proportional to 15,370,645.05, 21,197,760.85 and 12,753,004.91

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Solution

The fourth proportional to 15,370,645.05, 21,197,760.85 and 12,753,004.91 is: 17,587,755.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370,645.05 : 21,197,760.85 = 12,753,004.91 : x
  2. Step 2: Convert to fraction form
    15,370,645.05/21,197,760.85 = 12,753,004.91/x
  3. Step 3: Cross multiply
    15,370,645.05x = 21,197,760.85 × 12,753,004.91
  4. Step 4: Simplify right side
    15,370,645.05x = 270,335,148,111,008.22
  5. Step 5: Solve for x
    x = 270,335,148,111,008.22/15,370,645.05
  6. Step 6: Final answer
    x = 17,587,755.57

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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.