Home / 13,136,574.68-18,128,512.42-7,335,568.11

Finding the Fourth Proportional to 13,136,574.68, 18,128,512.42 and 7,335,568.11

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Solution

The fourth proportional to 13,136,574.68, 18,128,512.42 and 7,335,568.11 is: 10,123,105.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136,574.68 : 18,128,512.42 = 7,335,568.11 : x
  2. Step 2: Convert to fraction form
    13,136,574.68/18,128,512.42 = 7,335,568.11/x
  3. Step 3: Cross multiply
    13,136,574.68x = 18,128,512.42 × 7,335,568.11
  4. Step 4: Simplify right side
    13,136,574.68x = 132,982,937,571,552.02
  5. Step 5: Solve for x
    x = 132,982,937,571,552.02/13,136,574.68
  6. Step 6: Final answer
    x = 10,123,105.97

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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.