Home / 7,884,048.30-11,826,072.45-2,126,770.80

Finding the Fourth Proportional to 7,884,048.30, 11,826,072.45 and 2,126,770.80

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Solution

The fourth proportional to 7,884,048.30, 11,826,072.45 and 2,126,770.80 is: 3,190,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,048.30 : 11,826,072.45 = 2,126,770.80 : x
  2. Step 2: Convert to fraction form
    7,884,048.30/11,826,072.45 = 2,126,770.80/x
  3. Step 3: Cross multiply
    7,884,048.30x = 11,826,072.45 × 2,126,770.80
  4. Step 4: Simplify right side
    7,884,048.30x = 25,151,345,565,344.46
  5. Step 5: Solve for x
    x = 25,151,345,565,344.46/7,884,048.30
  6. Step 6: Final answer
    x = 3,190,156.20

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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.