Home / 9,321,280.92-12,859,886.79-9,306,910.98

Finding the Fourth Proportional to 9,321,280.92, 12,859,886.79 and 9,306,910.98

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Solution

The fourth proportional to 9,321,280.92, 12,859,886.79 and 9,306,910.98 is: 12,840,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321,280.92 : 12,859,886.79 = 9,306,910.98 : x
  2. Step 2: Convert to fraction form
    9,321,280.92/12,859,886.79 = 9,306,910.98/x
  3. Step 3: Cross multiply
    9,321,280.92x = 12,859,886.79 × 9,306,910.98
  4. Step 4: Simplify right side
    9,321,280.92x = 119,685,821,567,407.95
  5. Step 5: Solve for x
    x = 119,685,821,567,407.95/9,321,280.92
  6. Step 6: Final answer
    x = 12,840,061.64

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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.