Home / 21,838,634.64-30,137,230.71-12,049,687.98

Finding the Fourth Proportional to 21,838,634.64, 30,137,230.71 and 12,049,687.98

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Solution

The fourth proportional to 21,838,634.64, 30,137,230.71 and 12,049,687.98 is: 16,628,522.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,838,634.64 : 30,137,230.71 = 12,049,687.98 : x
  2. Step 2: Convert to fraction form
    21,838,634.64/30,137,230.71 = 12,049,687.98/x
  3. Step 3: Cross multiply
    21,838,634.64x = 30,137,230.71 × 12,049,687.98
  4. Step 4: Simplify right side
    21,838,634.64x = 363,144,226,636,773.88
  5. Step 5: Solve for x
    x = 363,144,226,636,773.88/21,838,634.64
  6. Step 6: Final answer
    x = 16,628,522.46

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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.