Home / 15,365,297.02-21,204,066.36-8,489,730.10

Finding the Fourth Proportional to 15,365,297.02, 21,204,066.36 and 8,489,730.10

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Solution

The fourth proportional to 15,365,297.02, 21,204,066.36 and 8,489,730.10 is: 11,715,803.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,365,297.02 : 21,204,066.36 = 8,489,730.10 : x
  2. Step 2: Convert to fraction form
    15,365,297.02/21,204,066.36 = 8,489,730.10/x
  3. Step 3: Cross multiply
    15,365,297.02x = 21,204,066.36 × 8,489,730.10
  4. Step 4: Simplify right side
    15,365,297.02x = 180,016,800,418,889.44
  5. Step 5: Solve for x
    x = 180,016,800,418,889.44/15,365,297.02
  6. Step 6: Final answer
    x = 11,715,803.49

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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.