Home / 13,587,202.07-18,750,523.51-7,392,322.78

Finding the Fourth Proportional to 13,587,202.07, 18,750,523.51 and 7,392,322.78

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Solution

The fourth proportional to 13,587,202.07, 18,750,523.51 and 7,392,322.78 is: 10,201,505.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,587,202.07 : 18,750,523.51 = 7,392,322.78 : x
  2. Step 2: Convert to fraction form
    13,587,202.07/18,750,523.51 = 7,392,322.78/x
  3. Step 3: Cross multiply
    13,587,202.07x = 18,750,523.51 × 7,392,322.78
  4. Step 4: Simplify right side
    13,587,202.07x = 138,609,922,136,954
  5. Step 5: Solve for x
    x = 138,609,922,136,954/13,587,202.07
  6. Step 6: Final answer
    x = 10,201,505.91

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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.