Home / 5,112,983.20-7,660,143.60-3,116,106.40

Finding the Fourth Proportional to 5,112,983.20, 7,660,143.60 and 3,116,106.40

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Solution

The fourth proportional to 5,112,983.20, 7,660,143.60 and 3,116,106.40 is: 4,668,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,112,983.20 : 7,660,143.60 = 3,116,106.40 : x
  2. Step 2: Convert to fraction form
    5,112,983.20/7,660,143.60 = 3,116,106.40/x
  3. Step 3: Cross multiply
    5,112,983.20x = 7,660,143.60 × 3,116,106.40
  4. Step 4: Simplify right side
    5,112,983.20x = 23,869,822,496,879.04
  5. Step 5: Solve for x
    x = 23,869,822,496,879.04/5,112,983.20
  6. Step 6: Final answer
    x = 4,668,472.70

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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.