Home / 7,729,854.32-11,542,727.98-6,312,721.52

Finding the Fourth Proportional to 7,729,854.32, 11,542,727.98 and 6,312,721.52

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Solution

The fourth proportional to 7,729,854.32, 11,542,727.98 and 6,312,721.52 is: 9,426,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,854.32 : 11,542,727.98 = 6,312,721.52 : x
  2. Step 2: Convert to fraction form
    7,729,854.32/11,542,727.98 = 6,312,721.52/x
  3. Step 3: Cross multiply
    7,729,854.32x = 11,542,727.98 × 6,312,721.52
  4. Step 4: Simplify right side
    7,729,854.32x = 72,866,027,318,852.12
  5. Step 5: Solve for x
    x = 72,866,027,318,852.12/7,729,854.32
  6. Step 6: Final answer
    x = 9,426,571.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.