Home / 15,109,648.02-20,845,395.33-9,298,340.68

Finding the Fourth Proportional to 15,109,648.02, 20,845,395.33 and 9,298,340.68

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Solution

The fourth proportional to 15,109,648.02, 20,845,395.33 and 9,298,340.68 is: 12,828,067.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,109,648.02 : 20,845,395.33 = 9,298,340.68 : x
  2. Step 2: Convert to fraction form
    15,109,648.02/20,845,395.33 = 9,298,340.68/x
  3. Step 3: Cross multiply
    15,109,648.02x = 20,845,395.33 × 9,298,340.68
  4. Step 4: Simplify right side
    15,109,648.02x = 193,827,587,387,621
  5. Step 5: Solve for x
    x = 193,827,587,387,621/15,109,648.02
  6. Step 6: Final answer
    x = 12,828,067.68

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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.