Home / 19,701,230.70-29,551,846.05-12,142,958.70

Finding the Fourth Proportional to 19,701,230.70, 29,551,846.05 and 12,142,958.70

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Solution

The fourth proportional to 19,701,230.70, 29,551,846.05 and 12,142,958.70 is: 18,214,438.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701,230.70 : 29,551,846.05 = 12,142,958.70 : x
  2. Step 2: Convert to fraction form
    19,701,230.70/29,551,846.05 = 12,142,958.70/x
  3. Step 3: Cross multiply
    19,701,230.70x = 29,551,846.05 × 12,142,958.70
  4. Step 4: Simplify right side
    19,701,230.70x = 358,846,846,093,908.12
  5. Step 5: Solve for x
    x = 358,846,846,093,908.12/19,701,230.70
  6. Step 6: Final answer
    x = 18,214,438.05

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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.