Home / 31,838,237.28-47,756,911.20-18,162,197.28

Finding the Fourth Proportional to 31,838,237.28, 47,756,911.20 and 18,162,197.28

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Solution

The fourth proportional to 31,838,237.28, 47,756,911.20 and 18,162,197.28 is: 27,243,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,838,237.28 : 47,756,911.20 = 18,162,197.28 : x
  2. Step 2: Convert to fraction form
    31,838,237.28/47,756,911.20 = 18,162,197.28/x
  3. Step 3: Cross multiply
    31,838,237.28x = 47,756,911.20 × 18,162,197.28
  4. Step 4: Simplify right side
    31,838,237.28x = 867,370,442,697,841.62
  5. Step 5: Solve for x
    x = 867,370,442,697,841.62/31,838,237.28
  6. Step 6: Final answer
    x = 27,243,042.23

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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.