Home / 13,600,553.06-20,403,521.93-3,885,249.92

Finding the Fourth Proportional to 13,600,553.06, 20,403,521.93 and 3,885,249.92

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Solution

The fourth proportional to 13,600,553.06, 20,403,521.93 and 3,885,249.92 is: 5,828,643.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,600,553.06 : 20,403,521.93 = 3,885,249.92 : x
  2. Step 2: Convert to fraction form
    13,600,553.06/20,403,521.93 = 3,885,249.92/x
  3. Step 3: Cross multiply
    13,600,553.06x = 20,403,521.93 × 3,885,249.92
  4. Step 4: Simplify right side
    13,600,553.06x = 79,272,781,853,946.27
  5. Step 5: Solve for x
    x = 79,272,781,853,946.27/13,600,553.06
  6. Step 6: Final answer
    x = 5,828,643.99

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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.