Home / 8,734,558.20-13,101,837.30-8,342,647.80

Finding the Fourth Proportional to 8,734,558.20, 13,101,837.30 and 8,342,647.80

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Solution

The fourth proportional to 8,734,558.20, 13,101,837.30 and 8,342,647.80 is: 12,513,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734,558.20 : 13,101,837.30 = 8,342,647.80 : x
  2. Step 2: Convert to fraction form
    8,734,558.20/13,101,837.30 = 8,342,647.80/x
  3. Step 3: Cross multiply
    8,734,558.20x = 13,101,837.30 × 8,342,647.80
  4. Step 4: Simplify right side
    8,734,558.20x = 109,304,014,126,802.94
  5. Step 5: Solve for x
    x = 109,304,014,126,802.94/8,734,558.20
  6. Step 6: Final answer
    x = 12,513,971.70

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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.