Home / 15,613,536.48-21,548,290.52-8,998,357.20

Finding the Fourth Proportional to 15,613,536.48, 21,548,290.52 and 8,998,357.20

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Solution

The fourth proportional to 15,613,536.48, 21,548,290.52 and 8,998,357.20 is: 12,418,660.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613,536.48 : 21,548,290.52 = 8,998,357.20 : x
  2. Step 2: Convert to fraction form
    15,613,536.48/21,548,290.52 = 8,998,357.20/x
  3. Step 3: Cross multiply
    15,613,536.48x = 21,548,290.52 × 8,998,357.20
  4. Step 4: Simplify right side
    15,613,536.48x = 193,899,215,148,333.72
  5. Step 5: Solve for x
    x = 193,899,215,148,333.72/15,613,536.48
  6. Step 6: Final answer
    x = 12,418,660.91

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1.5x scale

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.