Home / 31,546,865.10-47,294,053.65-13,365,021.90

Finding the Fourth Proportional to 31,546,865.10, 47,294,053.65 and 13,365,021.90

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Solution

The fourth proportional to 31,546,865.10, 47,294,053.65 and 13,365,021.90 is: 20,036,414.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546,865.10 : 47,294,053.65 = 13,365,021.90 : x
  2. Step 2: Convert to fraction form
    31,546,865.10/47,294,053.65 = 13,365,021.90/x
  3. Step 3: Cross multiply
    31,546,865.10x = 47,294,053.65 × 13,365,021.90
  4. Step 4: Simplify right side
    31,546,865.10x = 632,086,062,772,024.88
  5. Step 5: Solve for x
    x = 632,086,062,772,024.88/31,546,865.10
  6. Step 6: Final answer
    x = 20,036,414.42

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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.