Home / 12,020,505.21-18,032,857.34-5,288,744.25

Finding the Fourth Proportional to 12,020,505.21, 18,032,857.34 and 5,288,744.25

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Solution

The fourth proportional to 12,020,505.21, 18,032,857.34 and 5,288,744.25 is: 7,934,040.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,020,505.21 : 18,032,857.34 = 5,288,744.25 : x
  2. Step 2: Convert to fraction form
    12,020,505.21/18,032,857.34 = 5,288,744.25/x
  3. Step 3: Cross multiply
    12,020,505.21x = 18,032,857.34 × 5,288,744.25
  4. Step 4: Simplify right side
    12,020,505.21x = 95,371,170,541,551.58
  5. Step 5: Solve for x
    x = 95,371,170,541,551.58/12,020,505.21
  6. Step 6: Final answer
    x = 7,934,040.12

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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.