Home / 18,821,904.60-28,232,856.90-16,766,999.40

Finding the Fourth Proportional to 18,821,904.60, 28,232,856.90 and 16,766,999.40

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Solution

The fourth proportional to 18,821,904.60, 28,232,856.90 and 16,766,999.40 is: 25,150,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821,904.60 : 28,232,856.90 = 16,766,999.40 : x
  2. Step 2: Convert to fraction form
    18,821,904.60/28,232,856.90 = 16,766,999.40/x
  3. Step 3: Cross multiply
    18,821,904.60x = 28,232,856.90 × 16,766,999.40
  4. Step 4: Simplify right side
    18,821,904.60x = 473,380,294,702,585.88
  5. Step 5: Solve for x
    x = 473,380,294,702,585.88/18,821,904.60
  6. Step 6: Final answer
    x = 25,150,499.10

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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.