Home / 7,873,520.92-11,810,281.52-1,889,888.92

Finding the Fourth Proportional to 7,873,520.92, 11,810,281.52 and 1,889,888.92

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Solution

The fourth proportional to 7,873,520.92, 11,810,281.52 and 1,889,888.92 is: 2,834,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,873,520.92 : 11,810,281.52 = 1,889,888.92 : x
  2. Step 2: Convert to fraction form
    7,873,520.92/11,810,281.52 = 1,889,888.92/x
  3. Step 3: Cross multiply
    7,873,520.92x = 11,810,281.52 × 1,889,888.92
  4. Step 4: Simplify right side
    7,873,520.92x = 22,320,120,161,927.78
  5. Step 5: Solve for x
    x = 22,320,120,161,927.78/7,873,520.92
  6. Step 6: Final answer
    x = 2,834,833.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.