Home / 20,809,826.32-31,217,730.40-6,434,015.04

Finding the Fourth Proportional to 20,809,826.32, 31,217,730.40 and 6,434,015.04

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Solution

The fourth proportional to 20,809,826.32, 31,217,730.40 and 6,434,015.04 is: 9,651,947.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,809,826.32 : 31,217,730.40 = 6,434,015.04 : x
  2. Step 2: Convert to fraction form
    20,809,826.32/31,217,730.40 = 6,434,015.04/x
  3. Step 3: Cross multiply
    20,809,826.32x = 31,217,730.40 × 6,434,015.04
  4. Step 4: Simplify right side
    20,809,826.32x = 200,855,346,908,265.22
  5. Step 5: Solve for x
    x = 200,855,346,908,265.22/20,809,826.32
  6. Step 6: Final answer
    x = 9,651,947.30

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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.