Home / 40,762,749.62-61,182,432.82-21,345,912.31

Finding the Fourth Proportional to 40,762,749.62, 61,182,432.82 and 21,345,912.31

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Solution

The fourth proportional to 40,762,749.62, 61,182,432.82 and 21,345,912.31 is: 32,038,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,762,749.62 : 61,182,432.82 = 21,345,912.31 : x
  2. Step 2: Convert to fraction form
    40,762,749.62/61,182,432.82 = 21,345,912.31/x
  3. Step 3: Cross multiply
    40,762,749.62x = 61,182,432.82 × 21,345,912.31
  4. Step 4: Simplify right side
    40,762,749.62x = 1,305,994,845,644,559.75
  5. Step 5: Solve for x
    x = 1,305,994,845,644,559.75/40,762,749.62
  6. Step 6: Final answer
    x = 32,038,929.11

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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.