Home / 13,488,764.64-18,613,370.10-7,608,074.76

Finding the Fourth Proportional to 13,488,764.64, 18,613,370.10 and 7,608,074.76

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Solution

The fourth proportional to 13,488,764.64, 18,613,370.10 and 7,608,074.76 is: 10,498,508.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,764.64 : 18,613,370.10 = 7,608,074.76 : x
  2. Step 2: Convert to fraction form
    13,488,764.64/18,613,370.10 = 7,608,074.76/x
  3. Step 3: Cross multiply
    13,488,764.64x = 18,613,370.10 × 7,608,074.76
  4. Step 4: Simplify right side
    13,488,764.64x = 141,611,911,256,348.69
  5. Step 5: Solve for x
    x = 141,611,911,256,348.69/13,488,764.64
  6. Step 6: Final answer
    x = 10,498,508.58

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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.