Home / 31,456,800.06-43,401,611.70-20,288,567.40

Finding the Fourth Proportional to 31,456,800.06, 43,401,611.70 and 20,288,567.40

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Solution

The fourth proportional to 31,456,800.06, 43,401,611.70 and 20,288,567.40 is: 27,992,565.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456,800.06 : 43,401,611.70 = 20,288,567.40 : x
  2. Step 2: Convert to fraction form
    31,456,800.06/43,401,611.70 = 20,288,567.40/x
  3. Step 3: Cross multiply
    31,456,800.06x = 43,401,611.70 × 20,288,567.40
  4. Step 4: Simplify right side
    31,456,800.06x = 880,556,524,244,078.62
  5. Step 5: Solve for x
    x = 880,556,524,244,078.62/31,456,800.06
  6. Step 6: Final answer
    x = 27,992,565.12

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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.