Home / 15,270,807.69-21,073,851.61-8,301,498.44

Finding the Fourth Proportional to 15,270,807.69, 21,073,851.61 and 8,301,498.44

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Solution

The fourth proportional to 15,270,807.69, 21,073,851.61 and 8,301,498.44 is: 11,456,142.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,270,807.69 : 21,073,851.61 = 8,301,498.44 : x
  2. Step 2: Convert to fraction form
    15,270,807.69/21,073,851.61 = 8,301,498.44/x
  3. Step 3: Cross multiply
    15,270,807.69x = 21,073,851.61 × 8,301,498.44
  4. Step 4: Simplify right side
    15,270,807.69x = 174,944,546,139,083.50
  5. Step 5: Solve for x
    x = 174,944,546,139,083.50/15,270,807.69
  6. Step 6: Final answer
    x = 11,456,142.31

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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.