Home / 28,553,700.80-42,743,071.20-15,734,964.80

Finding the Fourth Proportional to 28,553,700.80, 42,743,071.20 and 15,734,964.80

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Solution

The fourth proportional to 28,553,700.80, 42,743,071.20 and 15,734,964.80 is: 23,554,239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,553,700.80 : 42,743,071.20 = 15,734,964.80 : x
  2. Step 2: Convert to fraction form
    28,553,700.80/42,743,071.20 = 15,734,964.80/x
  3. Step 3: Cross multiply
    28,553,700.80x = 42,743,071.20 × 15,734,964.80
  4. Step 4: Simplify right side
    28,553,700.80x = 672,560,720,775,893.88
  5. Step 5: Solve for x
    x = 672,560,720,775,893.88/28,553,700.80
  6. Step 6: Final answer
    x = 23,554,239.97

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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.