Home / 12,081,647.40-18,122,471.10-6,706,876.20

Finding the Fourth Proportional to 12,081,647.40, 18,122,471.10 and 6,706,876.20

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Solution

The fourth proportional to 12,081,647.40, 18,122,471.10 and 6,706,876.20 is: 10,060,314.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081,647.40 : 18,122,471.10 = 6,706,876.20 : x
  2. Step 2: Convert to fraction form
    12,081,647.40/18,122,471.10 = 6,706,876.20/x
  3. Step 3: Cross multiply
    12,081,647.40x = 18,122,471.10 × 6,706,876.20
  4. Step 4: Simplify right side
    12,081,647.40x = 121,545,170,105,777.83
  5. Step 5: Solve for x
    x = 121,545,170,105,777.83/12,081,647.40
  6. Step 6: Final answer
    x = 10,060,314.30

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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.