Home / 28,498,564.48-42,646,938-17,720,940.64

Finding the Fourth Proportional to 28,498,564.48, 42,646,938 and 17,720,940.64

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Solution

The fourth proportional to 28,498,564.48, 42,646,938 and 17,720,940.64 is: 26,518,664.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498,564.48 : 42,646,938 = 17,720,940.64 : x
  2. Step 2: Convert to fraction form
    28,498,564.48/42,646,938 = 17,720,940.64/x
  3. Step 3: Cross multiply
    28,498,564.48x = 42,646,938 × 17,720,940.64
  4. Step 4: Simplify right side
    28,498,564.48x = 755,743,856,775,760.38
  5. Step 5: Solve for x
    x = 755,743,856,775,760.38/28,498,564.48
  6. Step 6: Final answer
    x = 26,518,664.03

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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.