Home / 21,278,901.44-31,922,835.52-6,900,848.12

Finding the Fourth Proportional to 21,278,901.44, 31,922,835.52 and 6,900,848.12

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Solution

The fourth proportional to 21,278,901.44, 31,922,835.52 and 6,900,848.12 is: 10,352,726.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,278,901.44 : 31,922,835.52 = 6,900,848.12 : x
  2. Step 2: Convert to fraction form
    21,278,901.44/31,922,835.52 = 6,900,848.12/x
  3. Step 3: Cross multiply
    21,278,901.44x = 31,922,835.52 × 6,900,848.12
  4. Step 4: Simplify right side
    21,278,901.44x = 220,294,639,306,394.91
  5. Step 5: Solve for x
    x = 220,294,639,306,394.91/21,278,901.44
  6. Step 6: Final answer
    x = 10,352,726.15

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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.