Home / 21,381,076.35-32,071,613.88-9,863,135.82

Finding the Fourth Proportional to 21,381,076.35, 32,071,613.88 and 9,863,135.82

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Solution

The fourth proportional to 21,381,076.35, 32,071,613.88 and 9,863,135.82 is: 14,794,703.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,381,076.35 : 32,071,613.88 = 9,863,135.82 : x
  2. Step 2: Convert to fraction form
    21,381,076.35/32,071,613.88 = 9,863,135.82/x
  3. Step 3: Cross multiply
    21,381,076.35x = 32,071,613.88 × 9,863,135.82
  4. Step 4: Simplify right side
    21,381,076.35x = 316,326,683,665,037.19
  5. Step 5: Solve for x
    x = 316,326,683,665,037.19/21,381,076.35
  6. Step 6: Final answer
    x = 14,794,703.43

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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.