Home / 19,020,659.64-28,542,186.90-7,061,793.72

Finding the Fourth Proportional to 19,020,659.64, 28,542,186.90 and 7,061,793.72

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Solution

The fourth proportional to 19,020,659.64, 28,542,186.90 and 7,061,793.72 is: 10,596,847.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020,659.64 : 28,542,186.90 = 7,061,793.72 : x
  2. Step 2: Convert to fraction form
    19,020,659.64/28,542,186.90 = 7,061,793.72/x
  3. Step 3: Cross multiply
    19,020,659.64x = 28,542,186.90 × 7,061,793.72
  4. Step 4: Simplify right side
    19,020,659.64x = 201,559,036,205,486.25
  5. Step 5: Solve for x
    x = 201,559,036,205,486.25/19,020,659.64
  6. Step 6: Final answer
    x = 10,596,847.85

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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.