Home / 18,719,172.34-25,832,628.84-10,984,343.56

Finding the Fourth Proportional to 18,719,172.34, 25,832,628.84 and 10,984,343.56

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Solution

The fourth proportional to 18,719,172.34, 25,832,628.84 and 10,984,343.56 is: 15,158,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,719,172.34 : 25,832,628.84 = 10,984,343.56 : x
  2. Step 2: Convert to fraction form
    18,719,172.34/25,832,628.84 = 10,984,343.56/x
  3. Step 3: Cross multiply
    18,719,172.34x = 25,832,628.84 × 10,984,343.56
  4. Step 4: Simplify right side
    18,719,172.34x = 283,754,470,236,524.31
  5. Step 5: Solve for x
    x = 283,754,470,236,524.31/18,719,172.34
  6. Step 6: Final answer
    x = 15,158,494.46

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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.