Home / 18,139,354.52-25,032,309.26-9,990,592.52

Finding the Fourth Proportional to 18,139,354.52, 25,032,309.26 and 9,990,592.52

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Solution

The fourth proportional to 18,139,354.52, 25,032,309.26 and 9,990,592.52 is: 13,787,017.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139,354.52 : 25,032,309.26 = 9,990,592.52 : x
  2. Step 2: Convert to fraction form
    18,139,354.52/25,032,309.26 = 9,990,592.52/x
  3. Step 3: Cross multiply
    18,139,354.52x = 25,032,309.26 × 9,990,592.52
  4. Step 4: Simplify right side
    18,139,354.52x = 250,087,601,476,168.22
  5. Step 5: Solve for x
    x = 250,087,601,476,168.22/18,139,354.52
  6. Step 6: Final answer
    x = 13,787,017.68

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1.5x scale

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.