Home / 12,493,315.70-18,739,973.55-3,974,513.30

Finding the Fourth Proportional to 12,493,315.70, 18,739,973.55 and 3,974,513.30

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Solution

The fourth proportional to 12,493,315.70, 18,739,973.55 and 3,974,513.30 is: 5,961,769.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,493,315.70 : 18,739,973.55 = 3,974,513.30 : x
  2. Step 2: Convert to fraction form
    12,493,315.70/18,739,973.55 = 3,974,513.30/x
  3. Step 3: Cross multiply
    12,493,315.70x = 18,739,973.55 × 3,974,513.30
  4. Step 4: Simplify right side
    12,493,315.70x = 74,482,274,116,123.22
  5. Step 5: Solve for x
    x = 74,482,274,116,123.22/12,493,315.70
  6. Step 6: Final answer
    x = 5,961,769.95

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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.