Home / 8,197,813.40-12,296,720.10-5,678,389.40

Finding the Fourth Proportional to 8,197,813.40, 12,296,720.10 and 5,678,389.40

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Solution

The fourth proportional to 8,197,813.40, 12,296,720.10 and 5,678,389.40 is: 8,517,584.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,813.40 : 12,296,720.10 = 5,678,389.40 : x
  2. Step 2: Convert to fraction form
    8,197,813.40/12,296,720.10 = 5,678,389.40/x
  3. Step 3: Cross multiply
    8,197,813.40x = 12,296,720.10 × 5,678,389.40
  4. Step 4: Simplify right side
    8,197,813.40x = 69,825,565,070,606.95
  5. Step 5: Solve for x
    x = 69,825,565,070,606.95/8,197,813.40
  6. Step 6: Final answer
    x = 8,517,584.10

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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.