Home / 8,826,865.74-12,186,509.19-6,998,708.70

Finding the Fourth Proportional to 8,826,865.74, 12,186,509.19 and 6,998,708.70

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Solution

The fourth proportional to 8,826,865.74, 12,186,509.19 and 6,998,708.70 is: 9,662,526.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,826,865.74 : 12,186,509.19 = 6,998,708.70 : x
  2. Step 2: Convert to fraction form
    8,826,865.74/12,186,509.19 = 6,998,708.70/x
  3. Step 3: Cross multiply
    8,826,865.74x = 12,186,509.19 × 6,998,708.70
  4. Step 4: Simplify right side
    8,826,865.74x = 85,289,827,890,682.95
  5. Step 5: Solve for x
    x = 85,289,827,890,682.95/8,826,865.74
  6. Step 6: Final answer
    x = 9,662,526.93

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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.