Home / 20,186,136.55-30,243,119.33-12,284,505.55

Finding the Fourth Proportional to 20,186,136.55, 30,243,119.33 and 12,284,505.55

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Solution

The fourth proportional to 20,186,136.55, 30,243,119.33 and 12,284,505.55 is: 18,404,798.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,186,136.55 : 30,243,119.33 = 12,284,505.55 : x
  2. Step 2: Convert to fraction form
    20,186,136.55/30,243,119.33 = 12,284,505.55/x
  3. Step 3: Cross multiply
    20,186,136.55x = 30,243,119.33 × 12,284,505.55
  4. Step 4: Simplify right side
    20,186,136.55x = 371,521,767,197,274.75
  5. Step 5: Solve for x
    x = 371,521,767,197,274.75/20,186,136.55
  6. Step 6: Final answer
    x = 18,404,798.08

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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.