Home / 28,008,136.13-38,651,911.29-15,618,108.83

Finding the Fourth Proportional to 28,008,136.13, 38,651,911.29 and 15,618,108.83

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Solution

The fourth proportional to 28,008,136.13, 38,651,911.29 and 15,618,108.83 is: 21,553,371.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008,136.13 : 38,651,911.29 = 15,618,108.83 : x
  2. Step 2: Convert to fraction form
    28,008,136.13/38,651,911.29 = 15,618,108.83/x
  3. Step 3: Cross multiply
    28,008,136.13x = 38,651,911.29 × 15,618,108.83
  4. Step 4: Simplify right side
    28,008,136.13x = 603,669,756,821,466.12
  5. Step 5: Solve for x
    x = 603,669,756,821,466.12/28,008,136.13
  6. Step 6: Final answer
    x = 21,553,371.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.