Home / 28,039,971.80-41,966,645.70-20,341,731.80

Finding the Fourth Proportional to 28,039,971.80, 41,966,645.70 and 20,341,731.80

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Solution

The fourth proportional to 28,039,971.80, 41,966,645.70 and 20,341,731.80 is: 30,444,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039,971.80 : 41,966,645.70 = 20,341,731.80 : x
  2. Step 2: Convert to fraction form
    28,039,971.80/41,966,645.70 = 20,341,731.80/x
  3. Step 3: Cross multiply
    28,039,971.80x = 41,966,645.70 × 20,341,731.80
  4. Step 4: Simplify right side
    28,039,971.80x = 853,674,251,375,023.38
  5. Step 5: Solve for x
    x = 853,674,251,375,023.38/28,039,971.80
  6. Step 6: Final answer
    x = 30,444,904.06

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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.