Home / 28,408,214.62-39,207,177.45-16,020,855.46

Finding the Fourth Proportional to 28,408,214.62, 39,207,177.45 and 16,020,855.46

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Solution

The fourth proportional to 28,408,214.62, 39,207,177.45 and 16,020,855.46 is: 22,110,946.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,408,214.62 : 39,207,177.45 = 16,020,855.46 : x
  2. Step 2: Convert to fraction form
    28,408,214.62/39,207,177.45 = 16,020,855.46/x
  3. Step 3: Cross multiply
    28,408,214.62x = 39,207,177.45 × 16,020,855.46
  4. Step 4: Simplify right side
    28,408,214.62x = 628,132,522,921,021.50
  5. Step 5: Solve for x
    x = 628,132,522,921,021.50/28,408,214.62
  6. Step 6: Final answer
    x = 22,110,946.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.