Home / 19,879,404.20-29,819,106.30-10,297,719.80

Finding the Fourth Proportional to 19,879,404.20, 29,819,106.30 and 10,297,719.80

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Solution

The fourth proportional to 19,879,404.20, 29,819,106.30 and 10,297,719.80 is: 15,446,579.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879,404.20 : 29,819,106.30 = 10,297,719.80 : x
  2. Step 2: Convert to fraction form
    19,879,404.20/29,819,106.30 = 10,297,719.80/x
  3. Step 3: Cross multiply
    19,879,404.20x = 29,819,106.30 × 10,297,719.80
  4. Step 4: Simplify right side
    19,879,404.20x = 307,068,801,363,814.75
  5. Step 5: Solve for x
    x = 307,068,801,363,814.75/19,879,404.20
  6. Step 6: Final answer
    x = 15,446,579.70

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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.