Home / 13,555,254.20-20,348,627.70-8,169,985.40

Finding the Fourth Proportional to 13,555,254.20, 20,348,627.70 and 8,169,985.40

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Solution

The fourth proportional to 13,555,254.20, 20,348,627.70 and 8,169,985.40 is: 12,264,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,254.20 : 20,348,627.70 = 8,169,985.40 : x
  2. Step 2: Convert to fraction form
    13,555,254.20/20,348,627.70 = 8,169,985.40/x
  3. Step 3: Cross multiply
    13,555,254.20x = 20,348,627.70 × 8,169,985.40
  4. Step 4: Simplify right side
    13,555,254.20x = 166,247,991,219,035.59
  5. Step 5: Solve for x
    x = 166,247,991,219,035.59/13,555,254.20
  6. Step 6: Final answer
    x = 12,264,468.73

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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.