Home / 13,187,492.91-19,779,443.66-3,471,292.21

Finding the Fourth Proportional to 13,187,492.91, 19,779,443.66 and 3,471,292.21

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Solution

The fourth proportional to 13,187,492.91, 19,779,443.66 and 3,471,292.21 is: 5,206,465.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,187,492.91 : 19,779,443.66 = 3,471,292.21 : x
  2. Step 2: Convert to fraction form
    13,187,492.91/19,779,443.66 = 3,471,292.21/x
  3. Step 3: Cross multiply
    13,187,492.91x = 19,779,443.66 × 3,471,292.21
  4. Step 4: Simplify right side
    13,187,492.91x = 68,660,228,695,091.89
  5. Step 5: Solve for x
    x = 68,660,228,695,091.89/13,187,492.91
  6. Step 6: Final answer
    x = 5,206,465.64

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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.