Home / 21,204,339.41-31,777,082.63-9,661,597.74

Finding the Fourth Proportional to 21,204,339.41, 31,777,082.63 and 9,661,597.74

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Solution

The fourth proportional to 21,204,339.41, 31,777,082.63 and 9,661,597.74 is: 14,478,988.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,204,339.41 : 31,777,082.63 = 9,661,597.74 : x
  2. Step 2: Convert to fraction form
    21,204,339.41/31,777,082.63 = 9,661,597.74/x
  3. Step 3: Cross multiply
    21,204,339.41x = 31,777,082.63 × 9,661,597.74
  4. Step 4: Simplify right side
    21,204,339.41x = 307,017,389,721,801.25
  5. Step 5: Solve for x
    x = 307,017,389,721,801.25/21,204,339.41
  6. Step 6: Final answer
    x = 14,478,988.65

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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.