Home / 13,872,768.87-19,144,280.03-7,677,827.61

Finding the Fourth Proportional to 13,872,768.87, 19,144,280.03 and 7,677,827.61

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Solution

The fourth proportional to 13,872,768.87, 19,144,280.03 and 7,677,827.61 is: 10,595,324.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,872,768.87 : 19,144,280.03 = 7,677,827.61 : x
  2. Step 2: Convert to fraction form
    13,872,768.87/19,144,280.03 = 7,677,827.61/x
  3. Step 3: Cross multiply
    13,872,768.87x = 19,144,280.03 × 7,677,827.61
  4. Step 4: Simplify right side
    13,872,768.87x = 146,986,481,749,516.50
  5. Step 5: Solve for x
    x = 146,986,481,749,516.50/13,872,768.87
  6. Step 6: Final answer
    x = 10,595,324.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.