Home / 14,127,906.80-21,160,367.40-10,915,641.20

Finding the Fourth Proportional to 14,127,906.80, 21,160,367.40 and 10,915,641.20

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Solution

The fourth proportional to 14,127,906.80, 21,160,367.40 and 10,915,641.20 is: 16,349,129.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127,906.80 : 21,160,367.40 = 10,915,641.20 : x
  2. Step 2: Convert to fraction form
    14,127,906.80/21,160,367.40 = 10,915,641.20/x
  3. Step 3: Cross multiply
    14,127,906.80x = 21,160,367.40 × 10,915,641.20
  4. Step 4: Simplify right side
    14,127,906.80x = 230,978,978,198,576.84
  5. Step 5: Solve for x
    x = 230,978,978,198,576.84/14,127,906.80
  6. Step 6: Final answer
    x = 16,349,129.53

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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.