Home / 15,338,788.61-21,167,971.43-8,463,713.54

Finding the Fourth Proportional to 15,338,788.61, 21,167,971.43 and 8,463,713.54

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Solution

The fourth proportional to 15,338,788.61, 21,167,971.43 and 8,463,713.54 is: 11,680,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,788.61 : 21,167,971.43 = 8,463,713.54 : x
  2. Step 2: Convert to fraction form
    15,338,788.61/21,167,971.43 = 8,463,713.54/x
  3. Step 3: Cross multiply
    15,338,788.61x = 21,167,971.43 × 8,463,713.54
  4. Step 4: Simplify right side
    15,338,788.61x = 179,159,646,258,265.75
  5. Step 5: Solve for x
    x = 179,159,646,258,265.75/15,338,788.61
  6. Step 6: Final answer
    x = 11,680,169.20

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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.