Home / 7,216,922.80-10,828,300.20-3,174,180.40

Finding the Fourth Proportional to 7,216,922.80, 10,828,300.20 and 3,174,180.40

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Solution

The fourth proportional to 7,216,922.80, 10,828,300.20 and 3,174,180.40 is: 4,762,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,922.80 : 10,828,300.20 = 3,174,180.40 : x
  2. Step 2: Convert to fraction form
    7,216,922.80/10,828,300.20 = 3,174,180.40/x
  3. Step 3: Cross multiply
    7,216,922.80x = 10,828,300.20 × 3,174,180.40
  4. Step 4: Simplify right side
    7,216,922.80x = 34,370,978,260,156.08
  5. Step 5: Solve for x
    x = 34,370,978,260,156.08/7,216,922.80
  6. Step 6: Final answer
    x = 4,762,553.13

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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.