Home / 28,364,053.78-42,513,806.85-17,260,636.05

Finding the Fourth Proportional to 28,364,053.78, 42,513,806.85 and 17,260,636.05

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Solution

The fourth proportional to 28,364,053.78, 42,513,806.85 and 17,260,636.05 is: 25,871,314.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,364,053.78 : 42,513,806.85 = 17,260,636.05 : x
  2. Step 2: Convert to fraction form
    28,364,053.78/42,513,806.85 = 17,260,636.05/x
  3. Step 3: Cross multiply
    28,364,053.78x = 42,513,806.85 × 17,260,636.05
  4. Step 4: Simplify right side
    28,364,053.78x = 733,815,347,297,273.75
  5. Step 5: Solve for x
    x = 733,815,347,297,273.75/28,364,053.78
  6. Step 6: Final answer
    x = 25,871,314.20

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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.