Home / 21,868,100.20-32,802,150.30-16,766,266.60

Finding the Fourth Proportional to 21,868,100.20, 32,802,150.30 and 16,766,266.60

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Solution

The fourth proportional to 21,868,100.20, 32,802,150.30 and 16,766,266.60 is: 25,149,399.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,868,100.20 : 32,802,150.30 = 16,766,266.60 : x
  2. Step 2: Convert to fraction form
    21,868,100.20/32,802,150.30 = 16,766,266.60/x
  3. Step 3: Cross multiply
    21,868,100.20x = 32,802,150.30 × 16,766,266.60
  4. Step 4: Simplify right side
    21,868,100.20x = 549,969,596,983,070
  5. Step 5: Solve for x
    x = 549,969,596,983,070/21,868,100.20
  6. Step 6: Final answer
    x = 25,149,399.90

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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.