Home / 15,141,212.95-20,894,958.74-8,614,842.25

Finding the Fourth Proportional to 15,141,212.95, 20,894,958.74 and 8,614,842.25

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Solution

The fourth proportional to 15,141,212.95, 20,894,958.74 and 8,614,842.25 is: 11,888,530.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,212.95 : 20,894,958.74 = 8,614,842.25 : x
  2. Step 2: Convert to fraction form
    15,141,212.95/20,894,958.74 = 8,614,842.25/x
  3. Step 3: Cross multiply
    15,141,212.95x = 20,894,958.74 × 8,614,842.25
  4. Step 4: Simplify right side
    15,141,212.95x = 180,006,773,217,809.75
  5. Step 5: Solve for x
    x = 180,006,773,217,809.75/15,141,212.95
  6. Step 6: Final answer
    x = 11,888,530.59

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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.