Home / 20,960,031.80-31,440,047.70-5,814,111.80

Finding the Fourth Proportional to 20,960,031.80, 31,440,047.70 and 5,814,111.80

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Solution

The fourth proportional to 20,960,031.80, 31,440,047.70 and 5,814,111.80 is: 8,721,167.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,960,031.80 : 31,440,047.70 = 5,814,111.80 : x
  2. Step 2: Convert to fraction form
    20,960,031.80/31,440,047.70 = 5,814,111.80/x
  3. Step 3: Cross multiply
    20,960,031.80x = 31,440,047.70 × 5,814,111.80
  4. Step 4: Simplify right side
    20,960,031.80x = 182,795,952,325,132.84
  5. Step 5: Solve for x
    x = 182,795,952,325,132.84/20,960,031.80
  6. Step 6: Final answer
    x = 8,721,167.70

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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.