Home / 10,696,294.80-16,042,720.60-3,121,485.20

Finding the Fourth Proportional to 10,696,294.80, 16,042,720.60 and 3,121,485.20

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Solution

The fourth proportional to 10,696,294.80, 16,042,720.60 and 3,121,485.20 is: 4,681,725.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,696,294.80 : 16,042,720.60 = 3,121,485.20 : x
  2. Step 2: Convert to fraction form
    10,696,294.80/16,042,720.60 = 3,121,485.20/x
  3. Step 3: Cross multiply
    10,696,294.80x = 16,042,720.60 × 3,121,485.20
  4. Step 4: Simplify right side
    10,696,294.80x = 50,077,114,920,635.12
  5. Step 5: Solve for x
    x = 50,077,114,920,635.12/10,696,294.80
  6. Step 6: Final answer
    x = 4,681,725.39

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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.