Home / 13,123,243.80-19,684,865.70-9,071,170.20

Finding the Fourth Proportional to 13,123,243.80, 19,684,865.70 and 9,071,170.20

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Solution

The fourth proportional to 13,123,243.80, 19,684,865.70 and 9,071,170.20 is: 13,606,755.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,123,243.80 : 19,684,865.70 = 9,071,170.20 : x
  2. Step 2: Convert to fraction form
    13,123,243.80/19,684,865.70 = 9,071,170.20/x
  3. Step 3: Cross multiply
    13,123,243.80x = 19,684,865.70 × 9,071,170.20
  4. Step 4: Simplify right side
    13,123,243.80x = 178,564,767,128,842.12
  5. Step 5: Solve for x
    x = 178,564,767,128,842.12/13,123,243.80
  6. Step 6: Final answer
    x = 13,606,755.30

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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.