Home / 13,363,148.10-20,086,712.55-13,111,205.70

Finding the Fourth Proportional to 13,363,148.10, 20,086,712.55 and 13,111,205.70

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Solution

The fourth proportional to 13,363,148.10, 20,086,712.55 and 13,111,205.70 is: 19,708,007.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,363,148.10 : 20,086,712.55 = 13,111,205.70 : x
  2. Step 2: Convert to fraction form
    13,363,148.10/20,086,712.55 = 13,111,205.70/x
  3. Step 3: Cross multiply
    13,363,148.10x = 20,086,712.55 × 13,111,205.70
  4. Step 4: Simplify right side
    13,363,148.10x = 263,361,020,079,821.53
  5. Step 5: Solve for x
    x = 263,361,020,079,821.53/13,363,148.10
  6. Step 6: Final answer
    x = 19,708,007.28

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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.