Home / 8,317,087.80-12,475,631.70-5,111,820.60

Finding the Fourth Proportional to 8,317,087.80, 12,475,631.70 and 5,111,820.60

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Solution

The fourth proportional to 8,317,087.80, 12,475,631.70 and 5,111,820.60 is: 7,667,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317,087.80 : 12,475,631.70 = 5,111,820.60 : x
  2. Step 2: Convert to fraction form
    8,317,087.80/12,475,631.70 = 5,111,820.60/x
  3. Step 3: Cross multiply
    8,317,087.80x = 12,475,631.70 × 5,111,820.60
  4. Step 4: Simplify right side
    8,317,087.80x = 63,773,191,122,073.01
  5. Step 5: Solve for x
    x = 63,773,191,122,073.01/8,317,087.80
  6. Step 6: Final answer
    x = 7,667,730.90

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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.