Home / 26,398,990.80-39,616,200.90-12,014,654.40

Finding the Fourth Proportional to 26,398,990.80, 39,616,200.90 and 12,014,654.40

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Solution

The fourth proportional to 26,398,990.80, 39,616,200.90 and 12,014,654.40 is: 18,030,043.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398,990.80 : 39,616,200.90 = 12,014,654.40 : x
  2. Step 2: Convert to fraction form
    26,398,990.80/39,616,200.90 = 12,014,654.40/x
  3. Step 3: Cross multiply
    26,398,990.80x = 39,616,200.90 × 12,014,654.40
  4. Step 4: Simplify right side
    26,398,990.80x = 475,974,962,454,468.94
  5. Step 5: Solve for x
    x = 475,974,962,454,468.94/26,398,990.80
  6. Step 6: Final answer
    x = 18,030,043.88

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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.