Home / 15,185,366.25-20,955,806.51-8,309,848.65

Finding the Fourth Proportional to 15,185,366.25, 20,955,806.51 and 8,309,848.65

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Solution

The fourth proportional to 15,185,366.25, 20,955,806.51 and 8,309,848.65 is: 11,467,591.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,366.25 : 20,955,806.51 = 8,309,848.65 : x
  2. Step 2: Convert to fraction form
    15,185,366.25/20,955,806.51 = 8,309,848.65/x
  3. Step 3: Cross multiply
    15,185,366.25x = 20,955,806.51 × 8,309,848.65
  4. Step 4: Simplify right side
    15,185,366.25x = 174,139,580,436,784.72
  5. Step 5: Solve for x
    x = 174,139,580,436,784.72/15,185,366.25
  6. Step 6: Final answer
    x = 11,467,591.73

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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.