Home / 19,831,105.40-29,746,658.10-11,328,049.40

Finding the Fourth Proportional to 19,831,105.40, 29,746,658.10 and 11,328,049.40

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Solution

The fourth proportional to 19,831,105.40, 29,746,658.10 and 11,328,049.40 is: 16,992,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,831,105.40 : 29,746,658.10 = 11,328,049.40 : x
  2. Step 2: Convert to fraction form
    19,831,105.40/29,746,658.10 = 11,328,049.40/x
  3. Step 3: Cross multiply
    19,831,105.40x = 29,746,658.10 × 11,328,049.40
  4. Step 4: Simplify right side
    19,831,105.40x = 336,971,612,441,710.19
  5. Step 5: Solve for x
    x = 336,971,612,441,710.19/19,831,105.40
  6. Step 6: Final answer
    x = 16,992,074.10

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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.