Home / 13,235,855.43-19,792,832.27-12,590,154.21

Finding the Fourth Proportional to 13,235,855.43, 19,792,832.27 and 12,590,154.21

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Solution

The fourth proportional to 13,235,855.43, 19,792,832.27 and 12,590,154.21 is: 18,827,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,235,855.43 : 19,792,832.27 = 12,590,154.21 : x
  2. Step 2: Convert to fraction form
    13,235,855.43/19,792,832.27 = 12,590,154.21/x
  3. Step 3: Cross multiply
    13,235,855.43x = 19,792,832.27 × 12,590,154.21
  4. Step 4: Simplify right side
    13,235,855.43x = 249,194,810,469,013.62
  5. Step 5: Solve for x
    x = 249,194,810,469,013.62/13,235,855.43
  6. Step 6: Final answer
    x = 18,827,253.88

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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.