Home / 19,492,379.40-29,207,076.30-12,291,025.80

Finding the Fourth Proportional to 19,492,379.40, 29,207,076.30 and 12,291,025.80

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Solution

The fourth proportional to 19,492,379.40, 29,207,076.30 and 12,291,025.80 is: 18,416,680.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,492,379.40 : 29,207,076.30 = 12,291,025.80 : x
  2. Step 2: Convert to fraction form
    19,492,379.40/29,207,076.30 = 12,291,025.80/x
  3. Step 3: Cross multiply
    19,492,379.40x = 29,207,076.30 × 12,291,025.80
  4. Step 4: Simplify right side
    19,492,379.40x = 358,984,928,345,868.56
  5. Step 5: Solve for x
    x = 358,984,928,345,868.56/19,492,379.40
  6. Step 6: Final answer
    x = 18,416,680.74

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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.