Home / 20,025,376.35-30,039,227.49-7,729,409.90

Finding the Fourth Proportional to 20,025,376.35, 30,039,227.49 and 7,729,409.90

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Solution

The fourth proportional to 20,025,376.35, 30,039,227.49 and 7,729,409.90 is: 11,594,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,025,376.35 : 30,039,227.49 = 7,729,409.90 : x
  2. Step 2: Convert to fraction form
    20,025,376.35/30,039,227.49 = 7,729,409.90/x
  3. Step 3: Cross multiply
    20,025,376.35x = 30,039,227.49 × 7,729,409.90
  4. Step 4: Simplify right side
    20,025,376.35x = 232,185,502,199,362
  5. Step 5: Solve for x
    x = 232,185,502,199,362/20,025,376.35
  6. Step 6: Final answer
    x = 11,594,563.72

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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.