Home / 8,072,212.80-12,108,319.20-7,275,051.30

Finding the Fourth Proportional to 8,072,212.80, 12,108,319.20 and 7,275,051.30

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Solution

The fourth proportional to 8,072,212.80, 12,108,319.20 and 7,275,051.30 is: 10,912,576.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,072,212.80 : 12,108,319.20 = 7,275,051.30 : x
  2. Step 2: Convert to fraction form
    8,072,212.80/12,108,319.20 = 7,275,051.30/x
  3. Step 3: Cross multiply
    8,072,212.80x = 12,108,319.20 × 7,275,051.30
  4. Step 4: Simplify right side
    8,072,212.80x = 88,088,643,336,774.95
  5. Step 5: Solve for x
    x = 88,088,643,336,774.95/8,072,212.80
  6. Step 6: Final answer
    x = 10,912,576.95

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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.