Home / 21,491,118.40-32,236,677.60-20,230,369.60

Finding the Fourth Proportional to 21,491,118.40, 32,236,677.60 and 20,230,369.60

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Solution

The fourth proportional to 21,491,118.40, 32,236,677.60 and 20,230,369.60 is: 30,345,554.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,491,118.40 : 32,236,677.60 = 20,230,369.60 : x
  2. Step 2: Convert to fraction form
    21,491,118.40/32,236,677.60 = 20,230,369.60/x
  3. Step 3: Cross multiply
    21,491,118.40x = 32,236,677.60 × 20,230,369.60
  4. Step 4: Simplify right side
    21,491,118.40x = 652,159,902,524,041
  5. Step 5: Solve for x
    x = 652,159,902,524,041/21,491,118.40
  6. Step 6: Final answer
    x = 30,345,554.40

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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.