Home / 20,418,257.40-30,627,386.10-14,678,694.60

Finding the Fourth Proportional to 20,418,257.40, 30,627,386.10 and 14,678,694.60

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Solution

The fourth proportional to 20,418,257.40, 30,627,386.10 and 14,678,694.60 is: 22,018,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,418,257.40 : 30,627,386.10 = 14,678,694.60 : x
  2. Step 2: Convert to fraction form
    20,418,257.40/30,627,386.10 = 14,678,694.60/x
  3. Step 3: Cross multiply
    20,418,257.40x = 30,627,386.10 × 14,678,694.60
  4. Step 4: Simplify right side
    20,418,257.40x = 449,570,046,958,185.06
  5. Step 5: Solve for x
    x = 449,570,046,958,185.06/20,418,257.40
  6. Step 6: Final answer
    x = 22,018,041.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.