Home / 8,987,212.80-13,479,490.40-3,306,108.51

Finding the Fourth Proportional to 8,987,212.80, 13,479,490.40 and 3,306,108.51

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Solution

The fourth proportional to 8,987,212.80, 13,479,490.40 and 3,306,108.51 is: 4,958,673.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,987,212.80 : 13,479,490.40 = 3,306,108.51 : x
  2. Step 2: Convert to fraction form
    8,987,212.80/13,479,490.40 = 3,306,108.51/x
  3. Step 3: Cross multiply
    8,987,212.80x = 13,479,490.40 × 3,306,108.51
  4. Step 4: Simplify right side
    8,987,212.80x = 44,564,657,905,372.76
  5. Step 5: Solve for x
    x = 44,564,657,905,372.76/8,987,212.80
  6. Step 6: Final answer
    x = 4,958,673.94

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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.