Home / 20,403,025.60-30,604,538.40-17,745,820.60

Finding the Fourth Proportional to 20,403,025.60, 30,604,538.40 and 17,745,820.60

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Solution

The fourth proportional to 20,403,025.60, 30,604,538.40 and 17,745,820.60 is: 26,618,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,403,025.60 : 30,604,538.40 = 17,745,820.60 : x
  2. Step 2: Convert to fraction form
    20,403,025.60/30,604,538.40 = 17,745,820.60/x
  3. Step 3: Cross multiply
    20,403,025.60x = 30,604,538.40 × 17,745,820.60
  4. Step 4: Simplify right side
    20,403,025.60x = 543,102,647,992,211.06
  5. Step 5: Solve for x
    x = 543,102,647,992,211.06/20,403,025.60
  6. Step 6: Final answer
    x = 26,618,730.90

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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.