Home / 20,739,231.40-31,108,847.10-16,960,095.40

Finding the Fourth Proportional to 20,739,231.40, 31,108,847.10 and 16,960,095.40

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Solution

The fourth proportional to 20,739,231.40, 31,108,847.10 and 16,960,095.40 is: 25,440,143.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,739,231.40 : 31,108,847.10 = 16,960,095.40 : x
  2. Step 2: Convert to fraction form
    20,739,231.40/31,108,847.10 = 16,960,095.40/x
  3. Step 3: Cross multiply
    20,739,231.40x = 31,108,847.10 × 16,960,095.40
  4. Step 4: Simplify right side
    20,739,231.40x = 527,609,014,600,013.31
  5. Step 5: Solve for x
    x = 527,609,014,600,013.31/20,739,231.40
  6. Step 6: Final answer
    x = 25,440,143.10

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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.