Home / 7,883,391.80-11,825,087.70-6,607,933.40

Finding the Fourth Proportional to 7,883,391.80, 11,825,087.70 and 6,607,933.40

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Solution

The fourth proportional to 7,883,391.80, 11,825,087.70 and 6,607,933.40 is: 9,911,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,883,391.80 : 11,825,087.70 = 6,607,933.40 : x
  2. Step 2: Convert to fraction form
    7,883,391.80/11,825,087.70 = 6,607,933.40/x
  3. Step 3: Cross multiply
    7,883,391.80x = 11,825,087.70 × 6,607,933.40
  4. Step 4: Simplify right side
    7,883,391.80x = 78,139,391,970,759.17
  5. Step 5: Solve for x
    x = 78,139,391,970,759.17/7,883,391.80
  6. Step 6: Final answer
    x = 9,911,900.10

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1.5x scale

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.