Home / 13,192,330.80-19,788,496.20-11,869,633.20

Finding the Fourth Proportional to 13,192,330.80, 19,788,496.20 and 11,869,633.20

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Solution

The fourth proportional to 13,192,330.80, 19,788,496.20 and 11,869,633.20 is: 17,804,449.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192,330.80 : 19,788,496.20 = 11,869,633.20 : x
  2. Step 2: Convert to fraction form
    13,192,330.80/19,788,496.20 = 11,869,633.20/x
  3. Step 3: Cross multiply
    13,192,330.80x = 19,788,496.20 × 11,869,633.20
  4. Step 4: Simplify right side
    13,192,330.80x = 234,882,191,473,593.81
  5. Step 5: Solve for x
    x = 234,882,191,473,593.81/13,192,330.80
  6. Step 6: Final answer
    x = 17,804,449.80

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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.