Home / 21,582,420.70-32,373,631.05-16,764,022.30

Finding the Fourth Proportional to 21,582,420.70, 32,373,631.05 and 16,764,022.30

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Solution

The fourth proportional to 21,582,420.70, 32,373,631.05 and 16,764,022.30 is: 25,146,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582,420.70 : 32,373,631.05 = 16,764,022.30 : x
  2. Step 2: Convert to fraction form
    21,582,420.70/32,373,631.05 = 16,764,022.30/x
  3. Step 3: Cross multiply
    21,582,420.70x = 32,373,631.05 × 16,764,022.30
  4. Step 4: Simplify right side
    21,582,420.70x = 542,712,272,854,172.44
  5. Step 5: Solve for x
    x = 542,712,272,854,172.44/21,582,420.70
  6. Step 6: Final answer
    x = 25,146,033.45

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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.