Home / 21,977,338.88-30,328,727.92-12,319,546.88

Finding the Fourth Proportional to 21,977,338.88, 30,328,727.92 and 12,319,546.88

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Solution

The fourth proportional to 21,977,338.88, 30,328,727.92 and 12,319,546.88 is: 17,000,974.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,977,338.88 : 30,328,727.92 = 12,319,546.88 : x
  2. Step 2: Convert to fraction form
    21,977,338.88/30,328,727.92 = 12,319,546.88/x
  3. Step 3: Cross multiply
    21,977,338.88x = 30,328,727.92 × 12,319,546.88
  4. Step 4: Simplify right side
    21,977,338.88x = 373,636,185,238,762.38
  5. Step 5: Solve for x
    x = 373,636,185,238,762.38/21,977,338.88
  6. Step 6: Final answer
    x = 17,000,974.84

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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.