Home / 20,226,633.40-30,339,950.10-13,424,188.60

Finding the Fourth Proportional to 20,226,633.40, 30,339,950.10 and 13,424,188.60

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Solution

The fourth proportional to 20,226,633.40, 30,339,950.10 and 13,424,188.60 is: 20,136,282.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,226,633.40 : 30,339,950.10 = 13,424,188.60 : x
  2. Step 2: Convert to fraction form
    20,226,633.40/30,339,950.10 = 13,424,188.60/x
  3. Step 3: Cross multiply
    20,226,633.40x = 30,339,950.10 × 13,424,188.60
  4. Step 4: Simplify right side
    20,226,633.40x = 407,289,212,256,988.88
  5. Step 5: Solve for x
    x = 407,289,212,256,988.88/20,226,633.40
  6. Step 6: Final answer
    x = 20,136,282.90

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1.5x scale

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.