Home / 15,249,949.71-21,027,150.77-11,375,744.82

Finding the Fourth Proportional to 15,249,949.71, 21,027,150.77 and 11,375,744.82

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Solution

The fourth proportional to 15,249,949.71, 21,027,150.77 and 11,375,744.82 is: 15,685,264.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,249,949.71 : 21,027,150.77 = 11,375,744.82 : x
  2. Step 2: Convert to fraction form
    15,249,949.71/21,027,150.77 = 11,375,744.82/x
  3. Step 3: Cross multiply
    15,249,949.71x = 21,027,150.77 × 11,375,744.82
  4. Step 4: Simplify right side
    15,249,949.71x = 239,199,501,394,307.81
  5. Step 5: Solve for x
    x = 239,199,501,394,307.81/15,249,949.71
  6. Step 6: Final answer
    x = 15,685,264.93

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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.