Home / 15,471,374.74-21,328,324.59-10,873,425.94

Finding the Fourth Proportional to 15,471,374.74, 21,328,324.59 and 10,873,425.94

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Solution

The fourth proportional to 15,471,374.74, 21,328,324.59 and 10,873,425.94 is: 14,989,744.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471,374.74 : 21,328,324.59 = 10,873,425.94 : x
  2. Step 2: Convert to fraction form
    15,471,374.74/21,328,324.59 = 10,873,425.94/x
  3. Step 3: Cross multiply
    15,471,374.74x = 21,328,324.59 × 10,873,425.94
  4. Step 4: Simplify right side
    15,471,374.74x = 231,911,957,853,645.84
  5. Step 5: Solve for x
    x = 231,911,957,853,645.84/15,471,374.74
  6. Step 6: Final answer
    x = 14,989,744.72

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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.