Home / 21,145,124.43-31,717,714.48-5,792,550.62

Finding the Fourth Proportional to 21,145,124.43, 31,717,714.48 and 5,792,550.62

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Solution

The fourth proportional to 21,145,124.43, 31,717,714.48 and 5,792,550.62 is: 8,688,833.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,145,124.43 : 31,717,714.48 = 5,792,550.62 : x
  2. Step 2: Convert to fraction form
    21,145,124.43/31,717,714.48 = 5,792,550.62/x
  3. Step 3: Cross multiply
    21,145,124.43x = 31,717,714.48 × 5,792,550.62
  4. Step 4: Simplify right side
    21,145,124.43x = 183,726,466,503,037.03
  5. Step 5: Solve for x
    x = 183,726,466,503,037.03/21,145,124.43
  6. Step 6: Final answer
    x = 8,688,833.55

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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.