Home / 15,297,072.38-21,111,484.80-11,422,867.49

Finding the Fourth Proportional to 15,297,072.38, 21,111,484.80 and 11,422,867.49

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Solution

The fourth proportional to 15,297,072.38, 21,111,484.80 and 11,422,867.49 is: 15,764,695.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297,072.38 : 21,111,484.80 = 11,422,867.49 : x
  2. Step 2: Convert to fraction form
    15,297,072.38/21,111,484.80 = 11,422,867.49/x
  3. Step 3: Cross multiply
    15,297,072.38x = 21,111,484.80 × 11,422,867.49
  4. Step 4: Simplify right side
    15,297,072.38x = 241,153,693,224,877.41
  5. Step 5: Solve for x
    x = 241,153,693,224,877.41/15,297,072.38
  6. Step 6: Final answer
    x = 15,764,695.84

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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.