Home / 15,249,994.77-21,027,212.97-11,375,789.88

Finding the Fourth Proportional to 15,249,994.77, 21,027,212.97 and 11,375,789.88

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Solution

The fourth proportional to 15,249,994.77, 21,027,212.97 and 11,375,789.88 is: 15,685,327.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,994.77 : 21,027,212.97 = 11,375,789.88 : x
  2. Step 2: Convert to fraction form
    15,249,994.77/21,027,212.97 = 11,375,789.88/x
  3. Step 3: Cross multiply
    15,249,994.77x = 21,027,212.97 × 11,375,789.88
  4. Step 4: Simplify right side
    15,249,994.77x = 239,201,156,508,730.75
  5. Step 5: Solve for x
    x = 239,201,156,508,730.75/15,249,994.77
  6. Step 6: Final answer
    x = 15,685,327.12

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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.