Home / 12,674,521.80-18,980,776.98-11,446,302.60

Finding the Fourth Proportional to 12,674,521.80, 18,980,776.98 and 11,446,302.60

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Solution

The fourth proportional to 12,674,521.80, 18,980,776.98 and 11,446,302.60 is: 17,141,452.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674,521.80 : 18,980,776.98 = 11,446,302.60 : x
  2. Step 2: Convert to fraction form
    12,674,521.80/18,980,776.98 = 11,446,302.60/x
  3. Step 3: Cross multiply
    12,674,521.80x = 18,980,776.98 × 11,446,302.60
  4. Step 4: Simplify right side
    12,674,521.80x = 217,259,716,896,194.16
  5. Step 5: Solve for x
    x = 217,259,716,896,194.16/12,674,521.80
  6. Step 6: Final answer
    x = 17,141,452.78

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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.