Home / 21,022,569.45-31,533,854.18-21,022,569.45

Finding the Fourth Proportional to 21,022,569.45, 31,533,854.18 and 21,022,569.45

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Solution

The fourth proportional to 21,022,569.45, 31,533,854.18 and 21,022,569.45 is: 31,533,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,022,569.45 : 31,533,854.18 = 21,022,569.45 : x
  2. Step 2: Convert to fraction form
    21,022,569.45/31,533,854.18 = 21,022,569.45/x
  3. Step 3: Cross multiply
    21,022,569.45x = 31,533,854.18 × 21,022,569.45
  4. Step 4: Simplify right side
    21,022,569.45x = 662,922,639,420,110
  5. Step 5: Solve for x
    x = 662,922,639,420,110/21,022,569.45
  6. Step 6: Final answer
    x = 31,533,854.18

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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.