Home / 20,682,031.80-31,023,047.70-5,535,963.30

Finding the Fourth Proportional to 20,682,031.80, 31,023,047.70 and 5,535,963.30

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Solution

The fourth proportional to 20,682,031.80, 31,023,047.70 and 5,535,963.30 is: 8,303,944.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,682,031.80 : 31,023,047.70 = 5,535,963.30 : x
  2. Step 2: Convert to fraction form
    20,682,031.80/31,023,047.70 = 5,535,963.30/x
  3. Step 3: Cross multiply
    20,682,031.80x = 31,023,047.70 × 5,535,963.30
  4. Step 4: Simplify right side
    20,682,031.80x = 171,742,453,521,349.41
  5. Step 5: Solve for x
    x = 171,742,453,521,349.41/20,682,031.80
  6. Step 6: Final answer
    x = 8,303,944.95

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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.