Home / 21,152,352.35-31,729,280.31-6,773,551.80

Finding the Fourth Proportional to 21,152,352.35, 31,729,280.31 and 6,773,551.80

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Solution

The fourth proportional to 21,152,352.35, 31,729,280.31 and 6,773,551.80 is: 10,160,568.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,152,352.35 : 31,729,280.31 = 6,773,551.80 : x
  2. Step 2: Convert to fraction form
    21,152,352.35/31,729,280.31 = 6,773,551.80/x
  3. Step 3: Cross multiply
    21,152,352.35x = 31,729,280.31 × 6,773,551.80
  4. Step 4: Simplify right side
    21,152,352.35x = 214,919,923,637,520.25
  5. Step 5: Solve for x
    x = 214,919,923,637,520.25/21,152,352.35
  6. Step 6: Final answer
    x = 10,160,568.43

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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.