Home / 6,643,173.80-9,969,426.30-4,252,831.40

Finding the Fourth Proportional to 6,643,173.80, 9,969,426.30 and 4,252,831.40

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Solution

The fourth proportional to 6,643,173.80, 9,969,426.30 and 4,252,831.40 is: 6,382,233.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,643,173.80 : 9,969,426.30 = 4,252,831.40 : x
  2. Step 2: Convert to fraction form
    6,643,173.80/9,969,426.30 = 4,252,831.40/x
  3. Step 3: Cross multiply
    6,643,173.80x = 9,969,426.30 × 4,252,831.40
  4. Step 4: Simplify right side
    6,643,173.80x = 42,398,289,208,625.83
  5. Step 5: Solve for x
    x = 42,398,289,208,625.83/6,643,173.80
  6. Step 6: Final answer
    x = 6,382,233.93

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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.