Home / 13,485,953.10-20,228,929.65-5,400,176.70

Finding the Fourth Proportional to 13,485,953.10, 20,228,929.65 and 5,400,176.70

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Solution

The fourth proportional to 13,485,953.10, 20,228,929.65 and 5,400,176.70 is: 8,100,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,953.10 : 20,228,929.65 = 5,400,176.70 : x
  2. Step 2: Convert to fraction form
    13,485,953.10/20,228,929.65 = 5,400,176.70/x
  3. Step 3: Cross multiply
    13,485,953.10x = 20,228,929.65 × 5,400,176.70
  4. Step 4: Simplify right side
    13,485,953.10x = 109,239,794,561,869.16
  5. Step 5: Solve for x
    x = 109,239,794,561,869.16/13,485,953.10
  6. Step 6: Final answer
    x = 8,100,265.05

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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.