Home / 37,628,138.40-56,442,207.60-12,071,731.20

Finding the Fourth Proportional to 37,628,138.40, 56,442,207.60 and 12,071,731.20

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Solution

The fourth proportional to 37,628,138.40, 56,442,207.60 and 12,071,731.20 is: 18,107,596.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,628,138.40 : 56,442,207.60 = 12,071,731.20 : x
  2. Step 2: Convert to fraction form
    37,628,138.40/56,442,207.60 = 12,071,731.20/x
  3. Step 3: Cross multiply
    37,628,138.40x = 56,442,207.60 × 12,071,731.20
  4. Step 4: Simplify right side
    37,628,138.40x = 681,355,158,481,797.12
  5. Step 5: Solve for x
    x = 681,355,158,481,797.12/37,628,138.40
  6. Step 6: Final answer
    x = 18,107,596.80

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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.