Home / 13,187,491.60-19,779,441.70-3,471,290.90

Finding the Fourth Proportional to 13,187,491.60, 19,779,441.70 and 3,471,290.90

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Solution

The fourth proportional to 13,187,491.60, 19,779,441.70 and 3,471,290.90 is: 5,206,463.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,491.60 : 19,779,441.70 = 3,471,290.90 : x
  2. Step 2: Convert to fraction form
    13,187,491.60/19,779,441.70 = 3,471,290.90/x
  3. Step 3: Cross multiply
    13,187,491.60x = 19,779,441.70 × 3,471,290.90
  4. Step 4: Simplify right side
    13,187,491.60x = 68,660,195,962,934.08
  5. Step 5: Solve for x
    x = 68,660,195,962,934.08/13,187,491.60
  6. Step 6: Final answer
    x = 5,206,463.68

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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.