Home / 7,882,658.80-11,823,988.20-4,640,868.70

Finding the Fourth Proportional to 7,882,658.80, 11,823,988.20 and 4,640,868.70

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Solution

The fourth proportional to 7,882,658.80, 11,823,988.20 and 4,640,868.70 is: 6,961,303.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,882,658.80 : 11,823,988.20 = 4,640,868.70 : x
  2. Step 2: Convert to fraction form
    7,882,658.80/11,823,988.20 = 4,640,868.70/x
  3. Step 3: Cross multiply
    7,882,658.80x = 11,823,988.20 × 4,640,868.70
  4. Step 4: Simplify right side
    7,882,658.80x = 54,873,576,746,549.34
  5. Step 5: Solve for x
    x = 54,873,576,746,549.34/7,882,658.80
  6. Step 6: Final answer
    x = 6,961,303.05

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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.