Home / 21,827,256.30-32,740,884.45-20,764,374.30

Finding the Fourth Proportional to 21,827,256.30, 32,740,884.45 and 20,764,374.30

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Solution

The fourth proportional to 21,827,256.30, 32,740,884.45 and 20,764,374.30 is: 31,146,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,827,256.30 : 32,740,884.45 = 20,764,374.30 : x
  2. Step 2: Convert to fraction form
    21,827,256.30/32,740,884.45 = 20,764,374.30/x
  3. Step 3: Cross multiply
    21,827,256.30x = 32,740,884.45 × 20,764,374.30
  4. Step 4: Simplify right side
    21,827,256.30x = 679,843,979,632,849.62
  5. Step 5: Solve for x
    x = 679,843,979,632,849.62/21,827,256.30
  6. Step 6: Final answer
    x = 31,146,561.45

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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.