Home / 19,957,176.60-29,935,764.90-12,782,723.10

Finding the Fourth Proportional to 19,957,176.60, 29,935,764.90 and 12,782,723.10

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Solution

The fourth proportional to 19,957,176.60, 29,935,764.90 and 12,782,723.10 is: 19,174,084.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957,176.60 : 29,935,764.90 = 12,782,723.10 : x
  2. Step 2: Convert to fraction form
    19,957,176.60/29,935,764.90 = 12,782,723.10/x
  3. Step 3: Cross multiply
    19,957,176.60x = 29,935,764.90 × 12,782,723.10
  4. Step 4: Simplify right side
    19,957,176.60x = 382,660,593,503,399.19
  5. Step 5: Solve for x
    x = 382,660,593,503,399.19/19,957,176.60
  6. Step 6: Final answer
    x = 19,174,084.65

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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.