Home / 8,507,116.40-12,749,010.60-5,465,145.20

Finding the Fourth Proportional to 8,507,116.40, 12,749,010.60 and 5,465,145.20

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Solution

The fourth proportional to 8,507,116.40, 12,749,010.60 and 5,465,145.20 is: 8,190,224.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,116.40 : 12,749,010.60 = 5,465,145.20 : x
  2. Step 2: Convert to fraction form
    8,507,116.40/12,749,010.60 = 5,465,145.20/x
  3. Step 3: Cross multiply
    8,507,116.40x = 12,749,010.60 × 5,465,145.20
  4. Step 4: Simplify right side
    8,507,116.40x = 69,675,194,085,339.12
  5. Step 5: Solve for x
    x = 69,675,194,085,339.12/8,507,116.40
  6. Step 6: Final answer
    x = 8,190,224.61

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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.