Home / 19,006,761.20-28,265,639.42-18,401,410.53

Finding the Fourth Proportional to 19,006,761.20, 28,265,639.42 and 18,401,410.53

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Solution

The fourth proportional to 19,006,761.20, 28,265,639.42 and 18,401,410.53 is: 27,365,400.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006,761.20 : 28,265,639.42 = 18,401,410.53 : x
  2. Step 2: Convert to fraction form
    19,006,761.20/28,265,639.42 = 18,401,410.53/x
  3. Step 3: Cross multiply
    19,006,761.20x = 28,265,639.42 × 18,401,410.53
  4. Step 4: Simplify right side
    19,006,761.20x = 520,127,634,906,374.62
  5. Step 5: Solve for x
    x = 520,127,634,906,374.62/19,006,761.20
  6. Step 6: Final answer
    x = 27,365,400.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.