Home / 28,085,393.34-38,757,986.10-15,695,693.73

Finding the Fourth Proportional to 28,085,393.34, 38,757,986.10 and 15,695,693.73

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Solution

The fourth proportional to 28,085,393.34, 38,757,986.10 and 15,695,693.73 is: 21,660,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,085,393.34 : 38,757,986.10 = 15,695,693.73 : x
  2. Step 2: Convert to fraction form
    28,085,393.34/38,757,986.10 = 15,695,693.73/x
  3. Step 3: Cross multiply
    28,085,393.34x = 38,757,986.10 × 15,695,693.73
  4. Step 4: Simplify right side
    28,085,393.34x = 608,333,479,417,197.25
  5. Step 5: Solve for x
    x = 608,333,479,417,197.25/28,085,393.34
  6. Step 6: Final answer
    x = 21,660,137.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.