Home / 13,480,214.40-20,220,321.60-12,850,358.40

Finding the Fourth Proportional to 13,480,214.40, 20,220,321.60 and 12,850,358.40

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Solution

The fourth proportional to 13,480,214.40, 20,220,321.60 and 12,850,358.40 is: 19,275,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,480,214.40 : 20,220,321.60 = 12,850,358.40 : x
  2. Step 2: Convert to fraction form
    13,480,214.40/20,220,321.60 = 12,850,358.40/x
  3. Step 3: Cross multiply
    13,480,214.40x = 20,220,321.60 × 12,850,358.40
  4. Step 4: Simplify right side
    13,480,214.40x = 259,838,379,523,261.47
  5. Step 5: Solve for x
    x = 259,838,379,523,261.47/13,480,214.40
  6. Step 6: Final answer
    x = 19,275,537.60

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1.5x scale

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.