Home / 19,492,410.90-29,207,123.55-12,291,057.30

Finding the Fourth Proportional to 19,492,410.90, 29,207,123.55 and 12,291,057.30

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Solution

The fourth proportional to 19,492,410.90, 29,207,123.55 and 12,291,057.30 is: 18,416,727.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492,410.90 : 29,207,123.55 = 12,291,057.30 : x
  2. Step 2: Convert to fraction form
    19,492,410.90/29,207,123.55 = 12,291,057.30/x
  3. Step 3: Cross multiply
    19,492,410.90x = 29,207,123.55 × 12,291,057.30
  4. Step 4: Simplify right side
    19,492,410.90x = 358,986,429,121,229.44
  5. Step 5: Solve for x
    x = 358,986,429,121,229.44/19,492,410.90
  6. Step 6: Final answer
    x = 18,416,727.97

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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.