Home / 15,297,072.12-21,111,484.45-11,422,867.23

Finding the Fourth Proportional to 15,297,072.12, 21,111,484.45 and 11,422,867.23

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Solution

The fourth proportional to 15,297,072.12, 21,111,484.45 and 11,422,867.23 is: 15,764,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297,072.12 : 21,111,484.45 = 11,422,867.23 : x
  2. Step 2: Convert to fraction form
    15,297,072.12/21,111,484.45 = 11,422,867.23/x
  3. Step 3: Cross multiply
    15,297,072.12x = 21,111,484.45 × 11,422,867.23
  4. Step 4: Simplify right side
    15,297,072.12x = 241,153,683,981,895.47
  5. Step 5: Solve for x
    x = 241,153,683,981,895.47/15,297,072.12
  6. Step 6: Final answer
    x = 15,764,695.50

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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.