Home / 21,743,343.54-30,003,376.05-13,041,869.94

Finding the Fourth Proportional to 21,743,343.54, 30,003,376.05 and 13,041,869.94

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Solution

The fourth proportional to 21,743,343.54, 30,003,376.05 and 13,041,869.94 is: 17,996,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,743,343.54 : 30,003,376.05 = 13,041,869.94 : x
  2. Step 2: Convert to fraction form
    21,743,343.54/30,003,376.05 = 13,041,869.94/x
  3. Step 3: Cross multiply
    21,743,343.54x = 30,003,376.05 × 13,041,869.94
  4. Step 4: Simplify right side
    21,743,343.54x = 391,300,128,205,010.94
  5. Step 5: Solve for x
    x = 391,300,128,205,010.94/21,743,343.54
  6. Step 6: Final answer
    x = 17,996,318.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.