Home / 39,136,247.35-54,008,670.24-21,496,780.15

Finding the Fourth Proportional to 39,136,247.35, 54,008,670.24 and 21,496,780.15

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Solution

The fourth proportional to 39,136,247.35, 54,008,670.24 and 21,496,780.15 is: 29,665,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,136,247.35 : 54,008,670.24 = 21,496,780.15 : x
  2. Step 2: Convert to fraction form
    39,136,247.35/54,008,670.24 = 21,496,780.15/x
  3. Step 3: Cross multiply
    39,136,247.35x = 54,008,670.24 × 21,496,780.15
  4. Step 4: Simplify right side
    39,136,247.35x = 1,161,012,510,208,106.25
  5. Step 5: Solve for x
    x = 1,161,012,510,208,106.25/39,136,247.35
  6. Step 6: Final answer
    x = 29,665,913.03

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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.