Home / 23,378,917.92-32,263,903.12-13,065,640.72

Finding the Fourth Proportional to 23,378,917.92, 32,263,903.12 and 13,065,640.72

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Solution

The fourth proportional to 23,378,917.92, 32,263,903.12 and 13,065,640.72 is: 18,031,141.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,378,917.92 : 32,263,903.12 = 13,065,640.72 : x
  2. Step 2: Convert to fraction form
    23,378,917.92/32,263,903.12 = 13,065,640.72/x
  3. Step 3: Cross multiply
    23,378,917.92x = 32,263,903.12 × 13,065,640.72
  4. Step 4: Simplify right side
    23,378,917.92x = 421,548,566,390,807.06
  5. Step 5: Solve for x
    x = 421,548,566,390,807.06/23,378,917.92
  6. Step 6: Final answer
    x = 18,031,141.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.