Home / 28,498,563.48-42,646,936.50-17,720,939.64

Finding the Fourth Proportional to 28,498,563.48, 42,646,936.50 and 17,720,939.64

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Solution

The fourth proportional to 28,498,563.48, 42,646,936.50 and 17,720,939.64 is: 26,518,662.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,498,563.48 : 42,646,936.50 = 17,720,939.64 : x
  2. Step 2: Convert to fraction form
    28,498,563.48/42,646,936.50 = 17,720,939.64/x
  3. Step 3: Cross multiply
    28,498,563.48x = 42,646,936.50 × 17,720,939.64
  4. Step 4: Simplify right side
    28,498,563.48x = 755,743,787,547,412.88
  5. Step 5: Solve for x
    x = 755,743,787,547,412.88/28,498,563.48
  6. Step 6: Final answer
    x = 26,518,662.53

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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.