Home / 21,062,595.80-31,597,392.90-8,283,517.40

Finding the Fourth Proportional to 21,062,595.80, 31,597,392.90 and 8,283,517.40

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Solution

The fourth proportional to 21,062,595.80, 31,597,392.90 and 8,283,517.40 is: 12,426,652.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,062,595.80 : 31,597,392.90 = 8,283,517.40 : x
  2. Step 2: Convert to fraction form
    21,062,595.80/31,597,392.90 = 8,283,517.40/x
  3. Step 3: Cross multiply
    21,062,595.80x = 31,597,392.90 × 8,283,517.40
  4. Step 4: Simplify right side
    21,062,595.80x = 261,737,553,881,786.47
  5. Step 5: Solve for x
    x = 261,737,553,881,786.47/21,062,595.80
  6. Step 6: Final answer
    x = 12,426,652.27

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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.