Home / 13,217,620.32-19,812,790.96-5,545,720.32

Finding the Fourth Proportional to 13,217,620.32, 19,812,790.96 and 5,545,720.32

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Solution

The fourth proportional to 13,217,620.32, 19,812,790.96 and 5,545,720.32 is: 8,312,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217,620.32 : 19,812,790.96 = 5,545,720.32 : x
  2. Step 2: Convert to fraction form
    13,217,620.32/19,812,790.96 = 5,545,720.32/x
  3. Step 3: Cross multiply
    13,217,620.32x = 19,812,790.96 × 5,545,720.32
  4. Step 4: Simplify right side
    13,217,620.32x = 109,876,197,422,784.31
  5. Step 5: Solve for x
    x = 109,876,197,422,784.31/13,217,620.32
  6. Step 6: Final answer
    x = 8,312,857.74

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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.