Home / 18,954,027.80-28,431,041.70-15,552,805.40

Finding the Fourth Proportional to 18,954,027.80, 28,431,041.70 and 15,552,805.40

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Solution

The fourth proportional to 18,954,027.80, 28,431,041.70 and 15,552,805.40 is: 23,329,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954,027.80 : 28,431,041.70 = 15,552,805.40 : x
  2. Step 2: Convert to fraction form
    18,954,027.80/28,431,041.70 = 15,552,805.40/x
  3. Step 3: Cross multiply
    18,954,027.80x = 28,431,041.70 × 15,552,805.40
  4. Step 4: Simplify right side
    18,954,027.80x = 442,182,458,879,385.19
  5. Step 5: Solve for x
    x = 442,182,458,879,385.19/18,954,027.80
  6. Step 6: Final answer
    x = 23,329,208.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.