Home / 20,117,254.95-30,310,296.98-18,200,598.12

Finding the Fourth Proportional to 20,117,254.95, 30,310,296.98 and 18,200,598.12

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Solution

The fourth proportional to 20,117,254.95, 30,310,296.98 and 18,200,598.12 is: 27,422,505.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,254.95 : 30,310,296.98 = 18,200,598.12 : x
  2. Step 2: Convert to fraction form
    20,117,254.95/30,310,296.98 = 18,200,598.12/x
  3. Step 3: Cross multiply
    20,117,254.95x = 30,310,296.98 × 18,200,598.12
  4. Step 4: Simplify right side
    20,117,254.95x = 551,665,534,139,826.75
  5. Step 5: Solve for x
    x = 551,665,534,139,826.75/20,117,254.95
  6. Step 6: Final answer
    x = 27,422,505.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.