Home / 28,052,038.80-42,042,628.80-13,644,082.80

Finding the Fourth Proportional to 28,052,038.80, 42,042,628.80 and 13,644,082.80

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Solution

The fourth proportional to 28,052,038.80, 42,042,628.80 and 13,644,082.80 is: 20,448,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,052,038.80 : 42,042,628.80 = 13,644,082.80 : x
  2. Step 2: Convert to fraction form
    28,052,038.80/42,042,628.80 = 13,644,082.80/x
  3. Step 3: Cross multiply
    28,052,038.80x = 42,042,628.80 × 13,644,082.80
  4. Step 4: Simplify right side
    28,052,038.80x = 573,633,108,476,864.62
  5. Step 5: Solve for x
    x = 573,633,108,476,864.62/28,052,038.80
  6. Step 6: Final answer
    x = 20,448,891.88

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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.