Home / 21,032,923.60-31,536,943.80-10,955,227.60

Finding the Fourth Proportional to 21,032,923.60, 31,536,943.80 and 10,955,227.60

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Solution

The fourth proportional to 21,032,923.60, 31,536,943.80 and 10,955,227.60 is: 16,426,361.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,923.60 : 31,536,943.80 = 10,955,227.60 : x
  2. Step 2: Convert to fraction form
    21,032,923.60/31,536,943.80 = 10,955,227.60/x
  3. Step 3: Cross multiply
    21,032,923.60x = 31,536,943.80 × 10,955,227.60
  4. Step 4: Simplify right side
    21,032,923.60x = 345,494,397,137,408.88
  5. Step 5: Solve for x
    x = 345,494,397,137,408.88/21,032,923.60
  6. Step 6: Final answer
    x = 16,426,361.06

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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.