Home / 28,039,967.80-41,966,639.70-20,341,727.80

Finding the Fourth Proportional to 28,039,967.80, 41,966,639.70 and 20,341,727.80

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Solution

The fourth proportional to 28,039,967.80, 41,966,639.70 and 20,341,727.80 is: 30,444,898.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,039,967.80 : 41,966,639.70 = 20,341,727.80 : x
  2. Step 2: Convert to fraction form
    28,039,967.80/41,966,639.70 = 20,341,727.80/x
  3. Step 3: Cross multiply
    28,039,967.80x = 41,966,639.70 × 20,341,727.80
  4. Step 4: Simplify right side
    28,039,967.80x = 853,673,961,458,073.75
  5. Step 5: Solve for x
    x = 853,673,961,458,073.75/28,039,967.80
  6. Step 6: Final answer
    x = 30,444,898.07

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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.