Home / 8,210,149.20-12,314,057.40-2,819,048.40

Finding the Fourth Proportional to 8,210,149.20, 12,314,057.40 and 2,819,048.40

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Solution

The fourth proportional to 8,210,149.20, 12,314,057.40 and 2,819,048.40 is: 4,228,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210,149.20 : 12,314,057.40 = 2,819,048.40 : x
  2. Step 2: Convert to fraction form
    8,210,149.20/12,314,057.40 = 2,819,048.40/x
  3. Step 3: Cross multiply
    8,210,149.20x = 12,314,057.40 × 2,819,048.40
  4. Step 4: Simplify right side
    8,210,149.20x = 34,713,923,810,978.16
  5. Step 5: Solve for x
    x = 34,713,923,810,978.16/8,210,149.20
  6. Step 6: Final answer
    x = 4,228,172.10

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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.