Home / 18,148,646.36-25,054,390.92-12,299,182.04

Finding the Fourth Proportional to 18,148,646.36, 25,054,390.92 and 12,299,182.04

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Solution

The fourth proportional to 18,148,646.36, 25,054,390.92 and 12,299,182.04 is: 16,979,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,148,646.36 : 25,054,390.92 = 12,299,182.04 : x
  2. Step 2: Convert to fraction form
    18,148,646.36/25,054,390.92 = 12,299,182.04/x
  3. Step 3: Cross multiply
    18,148,646.36x = 25,054,390.92 × 12,299,182.04
  4. Step 4: Simplify right side
    18,148,646.36x = 308,148,514,826,403.06
  5. Step 5: Solve for x
    x = 308,148,514,826,403.06/18,148,646.36
  6. Step 6: Final answer
    x = 16,979,145.92

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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.