Home / 21,748,469.74-30,012,081.44-11,958,331.44

Finding the Fourth Proportional to 21,748,469.74, 30,012,081.44 and 11,958,331.44

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Solution

The fourth proportional to 21,748,469.74, 30,012,081.44 and 11,958,331.44 is: 16,502,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748,469.74 : 30,012,081.44 = 11,958,331.44 : x
  2. Step 2: Convert to fraction form
    21,748,469.74/30,012,081.44 = 11,958,331.44/x
  3. Step 3: Cross multiply
    21,748,469.74x = 30,012,081.44 × 11,958,331.44
  4. Step 4: Simplify right side
    21,748,469.74x = 358,894,417,063,792.50
  5. Step 5: Solve for x
    x = 358,894,417,063,792.50/21,748,469.74
  6. Step 6: Final answer
    x = 16,502,053.77

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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.