Home / 20,726,694.46-31,116,982.71-15,937,746.70

Finding the Fourth Proportional to 20,726,694.46, 31,116,982.71 and 15,937,746.70

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Solution

The fourth proportional to 20,726,694.46, 31,116,982.71 and 15,937,746.70 is: 23,927,336.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,694.46 : 31,116,982.71 = 15,937,746.70 : x
  2. Step 2: Convert to fraction form
    20,726,694.46/31,116,982.71 = 15,937,746.70/x
  3. Step 3: Cross multiply
    20,726,694.46x = 31,116,982.71 × 15,937,746.70
  4. Step 4: Simplify right side
    20,726,694.46x = 495,934,588,500,259.56
  5. Step 5: Solve for x
    x = 495,934,588,500,259.56/20,726,694.46
  6. Step 6: Final answer
    x = 23,927,336.29

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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.