Home / 14,003,764.80-21,005,647.20-11,169,412.80

Finding the Fourth Proportional to 14,003,764.80, 21,005,647.20 and 11,169,412.80

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Solution

The fourth proportional to 14,003,764.80, 21,005,647.20 and 11,169,412.80 is: 16,754,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,003,764.80 : 21,005,647.20 = 11,169,412.80 : x
  2. Step 2: Convert to fraction form
    14,003,764.80/21,005,647.20 = 11,169,412.80/x
  3. Step 3: Cross multiply
    14,003,764.80x = 21,005,647.20 × 11,169,412.80
  4. Step 4: Simplify right side
    14,003,764.80x = 234,620,744,707,964.16
  5. Step 5: Solve for x
    x = 234,620,744,707,964.16/14,003,764.80
  6. Step 6: Final answer
    x = 16,754,119.20

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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.