Home / 8,291,392.80-12,408,998.40-5,098,541.28

Finding the Fourth Proportional to 8,291,392.80, 12,408,998.40 and 5,098,541.28

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Solution

The fourth proportional to 8,291,392.80, 12,408,998.40 and 5,098,541.28 is: 7,630,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291,392.80 : 12,408,998.40 = 5,098,541.28 : x
  2. Step 2: Convert to fraction form
    8,291,392.80/12,408,998.40 = 5,098,541.28/x
  3. Step 3: Cross multiply
    8,291,392.80x = 12,408,998.40 × 5,098,541.28
  4. Step 4: Simplify right side
    8,291,392.80x = 63,267,790,585,853.96
  5. Step 5: Solve for x
    x = 63,267,790,585,853.96/8,291,392.80
  6. Step 6: Final answer
    x = 7,630,538.33

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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.