Home / 34,711,734.11-47,907,072.77-21,485,153.48

Finding the Fourth Proportional to 34,711,734.11, 47,907,072.77 and 21,485,153.48

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Solution

The fourth proportional to 34,711,734.11, 47,907,072.77 and 21,485,153.48 is: 29,652,532.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,711,734.11 : 47,907,072.77 = 21,485,153.48 : x
  2. Step 2: Convert to fraction form
    34,711,734.11/47,907,072.77 = 21,485,153.48/x
  3. Step 3: Cross multiply
    34,711,734.11x = 47,907,072.77 × 21,485,153.48
  4. Step 4: Simplify right side
    34,711,734.11x = 1,029,290,810,894,017.75
  5. Step 5: Solve for x
    x = 1,029,290,810,894,017.75/34,711,734.11
  6. Step 6: Final answer
    x = 29,652,532.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.