Home / 19,005,647.60-28,508,471.40-18,722,212.40

Finding the Fourth Proportional to 19,005,647.60, 28,508,471.40 and 18,722,212.40

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Solution

The fourth proportional to 19,005,647.60, 28,508,471.40 and 18,722,212.40 is: 28,083,318.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005,647.60 : 28,508,471.40 = 18,722,212.40 : x
  2. Step 2: Convert to fraction form
    19,005,647.60/28,508,471.40 = 18,722,212.40/x
  3. Step 3: Cross multiply
    19,005,647.60x = 28,508,471.40 × 18,722,212.40
  4. Step 4: Simplify right side
    19,005,647.60x = 533,741,656,750,125.31
  5. Step 5: Solve for x
    x = 533,741,656,750,125.31/19,005,647.60
  6. Step 6: Final answer
    x = 28,083,318.60

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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.