Home / 21,528,000.20-32,292,000.30-7,153,286.60

Finding the Fourth Proportional to 21,528,000.20, 32,292,000.30 and 7,153,286.60

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Solution

The fourth proportional to 21,528,000.20, 32,292,000.30 and 7,153,286.60 is: 10,729,929.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528,000.20 : 32,292,000.30 = 7,153,286.60 : x
  2. Step 2: Convert to fraction form
    21,528,000.20/32,292,000.30 = 7,153,286.60/x
  3. Step 3: Cross multiply
    21,528,000.20x = 32,292,000.30 × 7,153,286.60
  4. Step 4: Simplify right side
    21,528,000.20x = 230,993,933,033,185.97
  5. Step 5: Solve for x
    x = 230,993,933,033,185.97/21,528,000.20
  6. Step 6: Final answer
    x = 10,729,929.90

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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.