Home / 13,305,519.72-19,960,741.31-4,209,907.01

Finding the Fourth Proportional to 13,305,519.72, 19,960,741.31 and 4,209,907.01

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Solution

The fourth proportional to 13,305,519.72, 19,960,741.31 and 4,209,907.01 is: 6,315,639.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,305,519.72 : 19,960,741.31 = 4,209,907.01 : x
  2. Step 2: Convert to fraction form
    13,305,519.72/19,960,741.31 = 4,209,907.01/x
  3. Step 3: Cross multiply
    13,305,519.72x = 19,960,741.31 × 4,209,907.01
  4. Step 4: Simplify right side
    13,305,519.72x = 84,032,864,644,912.34
  5. Step 5: Solve for x
    x = 84,032,864,644,912.34/13,305,519.72
  6. Step 6: Final answer
    x = 6,315,639.40

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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.