Home / 7,835,013.40-11,752,520.10-5,147,627.80

Finding the Fourth Proportional to 7,835,013.40, 11,752,520.10 and 5,147,627.80

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Solution

The fourth proportional to 7,835,013.40, 11,752,520.10 and 5,147,627.80 is: 7,721,441.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,835,013.40 : 11,752,520.10 = 5,147,627.80 : x
  2. Step 2: Convert to fraction form
    7,835,013.40/11,752,520.10 = 5,147,627.80/x
  3. Step 3: Cross multiply
    7,835,013.40x = 11,752,520.10 × 5,147,627.80
  4. Step 4: Simplify right side
    7,835,013.40x = 60,497,599,186,818.77
  5. Step 5: Solve for x
    x = 60,497,599,186,818.77/7,835,013.40
  6. Step 6: Final answer
    x = 7,721,441.70

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1.5x scale

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.