Home / 21,715,349.02-29,978,815.98-16,742,930.20

Finding the Fourth Proportional to 21,715,349.02, 29,978,815.98 and 16,742,930.20

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Solution

The fourth proportional to 21,715,349.02, 29,978,815.98 and 16,742,930.20 is: 23,114,213.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,715,349.02 : 29,978,815.98 = 16,742,930.20 : x
  2. Step 2: Convert to fraction form
    21,715,349.02/29,978,815.98 = 16,742,930.20/x
  3. Step 3: Cross multiply
    21,715,349.02x = 29,978,815.98 × 16,742,930.20
  4. Step 4: Simplify right side
    21,715,349.02x = 501,933,223,431,784.56
  5. Step 5: Solve for x
    x = 501,933,223,431,784.56/21,715,349.02
  6. Step 6: Final answer
    x = 23,114,213.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.