Home / 18,626,456.80-27,939,692.95-8,379,347.58

Finding the Fourth Proportional to 18,626,456.80, 27,939,692.95 and 8,379,347.58

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Solution

The fourth proportional to 18,626,456.80, 27,939,692.95 and 8,379,347.58 is: 12,569,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626,456.80 : 27,939,692.95 = 8,379,347.58 : x
  2. Step 2: Convert to fraction form
    18,626,456.80/27,939,692.95 = 8,379,347.58/x
  3. Step 3: Cross multiply
    18,626,456.80x = 27,939,692.95 × 8,379,347.58
  4. Step 4: Simplify right side
    18,626,456.80x = 234,116,398,506,525.56
  5. Step 5: Solve for x
    x = 234,116,398,506,525.56/18,626,456.80
  6. Step 6: Final answer
    x = 12,569,024.86

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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.