Home / 18,837,071.40-28,226,576.70-14,022,172.20

Finding the Fourth Proportional to 18,837,071.40, 28,226,576.70 and 14,022,172.20

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Solution

The fourth proportional to 18,837,071.40, 28,226,576.70 and 14,022,172.20 is: 21,011,648.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837,071.40 : 28,226,576.70 = 14,022,172.20 : x
  2. Step 2: Convert to fraction form
    18,837,071.40/28,226,576.70 = 14,022,172.20/x
  3. Step 3: Cross multiply
    18,837,071.40x = 28,226,576.70 × 14,022,172.20
  4. Step 4: Simplify right side
    18,837,071.40x = 395,797,919,103,907.69
  5. Step 5: Solve for x
    x = 395,797,919,103,907.69/18,837,071.40
  6. Step 6: Final answer
    x = 21,011,648.29

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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.