Home / 8,189,205.20-12,284,729.40-2,509,384.40

Finding the Fourth Proportional to 8,189,205.20, 12,284,729.40 and 2,509,384.40

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Solution

The fourth proportional to 8,189,205.20, 12,284,729.40 and 2,509,384.40 is: 3,764,359.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,189,205.20 : 12,284,729.40 = 2,509,384.40 : x
  2. Step 2: Convert to fraction form
    8,189,205.20/12,284,729.40 = 2,509,384.40/x
  3. Step 3: Cross multiply
    8,189,205.20x = 12,284,729.40 × 2,509,384.40
  4. Step 4: Simplify right side
    8,189,205.20x = 30,827,108,314,581.36
  5. Step 5: Solve for x
    x = 30,827,108,314,581.36/8,189,205.20
  6. Step 6: Final answer
    x = 3,764,359.00

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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.