Home / 31,825,108.04-43,929,401.69-20,676,853.67

Finding the Fourth Proportional to 31,825,108.04, 43,929,401.69 and 20,676,853.67

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Solution

The fourth proportional to 31,825,108.04, 43,929,401.69 and 20,676,853.67 is: 28,541,044.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,825,108.04 : 43,929,401.69 = 20,676,853.67 : x
  2. Step 2: Convert to fraction form
    31,825,108.04/43,929,401.69 = 20,676,853.67/x
  3. Step 3: Cross multiply
    31,825,108.04x = 43,929,401.69 × 20,676,853.67
  4. Step 4: Simplify right side
    31,825,108.04x = 908,321,810,386,825.88
  5. Step 5: Solve for x
    x = 908,321,810,386,825.88/31,825,108.04
  6. Step 6: Final answer
    x = 28,541,044.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.