Home / 8,507,108.40-12,748,998.60-5,465,137.20

Finding the Fourth Proportional to 8,507,108.40, 12,748,998.60 and 5,465,137.20

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Solution

The fourth proportional to 8,507,108.40, 12,748,998.60 and 5,465,137.20 is: 8,190,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507,108.40 : 12,748,998.60 = 5,465,137.20 : x
  2. Step 2: Convert to fraction form
    8,507,108.40/12,748,998.60 = 5,465,137.20/x
  3. Step 3: Cross multiply
    8,507,108.40x = 12,748,998.60 × 5,465,137.20
  4. Step 4: Simplify right side
    8,507,108.40x = 69,675,026,511,607.92
  5. Step 5: Solve for x
    x = 69,675,026,511,607.92/8,507,108.40
  6. Step 6: Final answer
    x = 8,190,212.61

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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.