Home / 21,793,326.12-30,074,788.62-12,631,283.32

Finding the Fourth Proportional to 21,793,326.12, 30,074,788.62 and 12,631,283.32

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Solution

The fourth proportional to 21,793,326.12, 30,074,788.62 and 12,631,283.32 is: 17,431,170.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793,326.12 : 30,074,788.62 = 12,631,283.32 : x
  2. Step 2: Convert to fraction form
    21,793,326.12/30,074,788.62 = 12,631,283.32/x
  3. Step 3: Cross multiply
    21,793,326.12x = 30,074,788.62 × 12,631,283.32
  4. Step 4: Simplify right side
    21,793,326.12x = 379,883,175,848,331.81
  5. Step 5: Solve for x
    x = 379,883,175,848,331.81/21,793,326.12
  6. Step 6: Final answer
    x = 17,431,170.16

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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.