Home / 15,268,640.02-21,070,189.36-8,393,072.87

Finding the Fourth Proportional to 15,268,640.02, 21,070,189.36 and 8,393,072.87

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Solution

The fourth proportional to 15,268,640.02, 21,070,189.36 and 8,393,072.87 is: 11,582,147.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,268,640.02 : 21,070,189.36 = 8,393,072.87 : x
  2. Step 2: Convert to fraction form
    15,268,640.02/21,070,189.36 = 8,393,072.87/x
  3. Step 3: Cross multiply
    15,268,640.02x = 21,070,189.36 × 8,393,072.87
  4. Step 4: Simplify right side
    15,268,640.02x = 176,843,634,683,178.66
  5. Step 5: Solve for x
    x = 176,843,634,683,178.66/15,268,640.02
  6. Step 6: Final answer
    x = 11,582,147.10

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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.