Home / 21,261,360.88-31,896,692.49-6,885,881.83

Finding the Fourth Proportional to 21,261,360.88, 31,896,692.49 and 6,885,881.83

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Solution

The fourth proportional to 21,261,360.88, 31,896,692.49 and 6,885,881.83 is: 10,330,329.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,261,360.88 : 31,896,692.49 = 6,885,881.83 : x
  2. Step 2: Convert to fraction form
    21,261,360.88/31,896,692.49 = 6,885,881.83/x
  3. Step 3: Cross multiply
    21,261,360.88x = 31,896,692.49 × 6,885,881.83
  4. Step 4: Simplify right side
    21,261,360.88x = 219,636,855,253,988.44
  5. Step 5: Solve for x
    x = 219,636,855,253,988.44/21,261,360.88
  6. Step 6: Final answer
    x = 10,330,329.11

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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.