Home / 8,303,686.10-12,455,529.15-6,959,993.30

Finding the Fourth Proportional to 8,303,686.10, 12,455,529.15 and 6,959,993.30

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Solution

The fourth proportional to 8,303,686.10, 12,455,529.15 and 6,959,993.30 is: 10,439,989.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,686.10 : 12,455,529.15 = 6,959,993.30 : x
  2. Step 2: Convert to fraction form
    8,303,686.10/12,455,529.15 = 6,959,993.30/x
  3. Step 3: Cross multiply
    8,303,686.10x = 12,455,529.15 × 6,959,993.30
  4. Step 4: Simplify right side
    8,303,686.10x = 86,690,399,431,954.69
  5. Step 5: Solve for x
    x = 86,690,399,431,954.69/8,303,686.10
  6. Step 6: Final answer
    x = 10,439,989.95

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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.