Home / 31,593,145.20-47,389,717.80-26,491,311.60

Finding the Fourth Proportional to 31,593,145.20, 47,389,717.80 and 26,491,311.60

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Solution

The fourth proportional to 31,593,145.20, 47,389,717.80 and 26,491,311.60 is: 39,736,967.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,593,145.20 : 47,389,717.80 = 26,491,311.60 : x
  2. Step 2: Convert to fraction form
    31,593,145.20/47,389,717.80 = 26,491,311.60/x
  3. Step 3: Cross multiply
    31,593,145.20x = 47,389,717.80 × 26,491,311.60
  4. Step 4: Simplify right side
    31,593,145.20x = 1,255,415,780,875,866.50
  5. Step 5: Solve for x
    x = 1,255,415,780,875,866.50/31,593,145.20
  6. Step 6: Final answer
    x = 39,736,967.40

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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.