Home / 15,571,859.73-21,489,780.96-8,956,437.54

Finding the Fourth Proportional to 15,571,859.73, 21,489,780.96 and 8,956,437.54

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Solution

The fourth proportional to 15,571,859.73, 21,489,780.96 and 8,956,437.54 is: 12,360,237.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,571,859.73 : 21,489,780.96 = 8,956,437.54 : x
  2. Step 2: Convert to fraction form
    15,571,859.73/21,489,780.96 = 8,956,437.54/x
  3. Step 3: Cross multiply
    15,571,859.73x = 21,489,780.96 × 8,956,437.54
  4. Step 4: Simplify right side
    15,571,859.73x = 192,471,880,916,521.22
  5. Step 5: Solve for x
    x = 192,471,880,916,521.22/15,571,859.73
  6. Step 6: Final answer
    x = 12,360,237.26

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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.