Home / 15,174,523.19-20,940,827.13-8,205,184.10

Finding the Fourth Proportional to 15,174,523.19, 20,940,827.13 and 8,205,184.10

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Solution

The fourth proportional to 15,174,523.19, 20,940,827.13 and 8,205,184.10 is: 11,323,146.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,174,523.19 : 20,940,827.13 = 8,205,184.10 : x
  2. Step 2: Convert to fraction form
    15,174,523.19/20,940,827.13 = 8,205,184.10/x
  3. Step 3: Cross multiply
    15,174,523.19x = 20,940,827.13 × 8,205,184.10
  4. Step 4: Simplify right side
    15,174,523.19x = 171,823,341,807,924.62
  5. Step 5: Solve for x
    x = 171,823,341,807,924.62/15,174,523.19
  6. Step 6: Final answer
    x = 11,323,146.02

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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.