Home / 12,563,237.70-18,844,856.55-11,287,779.30

Finding the Fourth Proportional to 12,563,237.70, 18,844,856.55 and 11,287,779.30

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Solution

The fourth proportional to 12,563,237.70, 18,844,856.55 and 11,287,779.30 is: 16,931,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,563,237.70 : 18,844,856.55 = 11,287,779.30 : x
  2. Step 2: Convert to fraction form
    12,563,237.70/18,844,856.55 = 11,287,779.30/x
  3. Step 3: Cross multiply
    12,563,237.70x = 18,844,856.55 × 11,287,779.30
  4. Step 4: Simplify right side
    12,563,237.70x = 212,716,581,676,559.44
  5. Step 5: Solve for x
    x = 212,716,581,676,559.44/12,563,237.70
  6. Step 6: Final answer
    x = 16,931,668.95

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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.