Home / 13,422,732.60-20,110,479.30-11,013,533.40

Finding the Fourth Proportional to 13,422,732.60, 20,110,479.30 and 11,013,533.40

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Solution

The fourth proportional to 13,422,732.60, 20,110,479.30 and 11,013,533.40 is: 16,500,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,422,732.60 : 20,110,479.30 = 11,013,533.40 : x
  2. Step 2: Convert to fraction form
    13,422,732.60/20,110,479.30 = 11,013,533.40/x
  3. Step 3: Cross multiply
    13,422,732.60x = 20,110,479.30 × 11,013,533.40
  4. Step 4: Simplify right side
    13,422,732.60x = 221,487,435,460,558.62
  5. Step 5: Solve for x
    x = 221,487,435,460,558.62/13,422,732.60
  6. Step 6: Final answer
    x = 16,500,919.90

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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.