Home / 8,179,310.90-12,295,538.40-7,010,140.70

Finding the Fourth Proportional to 8,179,310.90, 12,295,538.40 and 7,010,140.70

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Solution

The fourth proportional to 8,179,310.90, 12,295,538.40 and 7,010,140.70 is: 10,537,984.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179,310.90 : 12,295,538.40 = 7,010,140.70 : x
  2. Step 2: Convert to fraction form
    8,179,310.90/12,295,538.40 = 7,010,140.70/x
  3. Step 3: Cross multiply
    8,179,310.90x = 12,295,538.40 × 7,010,140.70
  4. Step 4: Simplify right side
    8,179,310.90x = 86,193,454,166,252.89
  5. Step 5: Solve for x
    x = 86,193,454,166,252.89/8,179,310.90
  6. Step 6: Final answer
    x = 10,537,984.83

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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.