Home / 31,285,913.48-46,919,284.38-21,632,560.28

Finding the Fourth Proportional to 31,285,913.48, 46,919,284.38 and 21,632,560.28

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Solution

The fourth proportional to 31,285,913.48, 46,919,284.38 and 21,632,560.28 is: 32,442,212.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,285,913.48 : 46,919,284.38 = 21,632,560.28 : x
  2. Step 2: Convert to fraction form
    31,285,913.48/46,919,284.38 = 21,632,560.28/x
  3. Step 3: Cross multiply
    31,285,913.48x = 46,919,284.38 × 21,632,560.28
  4. Step 4: Simplify right side
    31,285,913.48x = 1,014,984,247,644,812.50
  5. Step 5: Solve for x
    x = 1,014,984,247,644,812.50/31,285,913.48
  6. Step 6: Final answer
    x = 32,442,212.32

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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.