Home / 8,193,722.20-12,290,583.30-5,642,805.40

Finding the Fourth Proportional to 8,193,722.20, 12,290,583.30 and 5,642,805.40

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Solution

The fourth proportional to 8,193,722.20, 12,290,583.30 and 5,642,805.40 is: 8,464,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,193,722.20 : 12,290,583.30 = 5,642,805.40 : x
  2. Step 2: Convert to fraction form
    8,193,722.20/12,290,583.30 = 5,642,805.40/x
  3. Step 3: Cross multiply
    8,193,722.20x = 12,290,583.30 × 5,642,805.40
  4. Step 4: Simplify right side
    8,193,722.20x = 69,353,369,814,389.83
  5. Step 5: Solve for x
    x = 69,353,369,814,389.83/8,193,722.20
  6. Step 6: Final answer
    x = 8,464,208.10

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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.