Home / 10,290,469.50-14,200,868.16-5,644,292.40

Finding the Fourth Proportional to 10,290,469.50, 14,200,868.16 and 5,644,292.40

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Solution

The fourth proportional to 10,290,469.50, 14,200,868.16 and 5,644,292.40 is: 7,789,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290,469.50 : 14,200,868.16 = 5,644,292.40 : x
  2. Step 2: Convert to fraction form
    10,290,469.50/14,200,868.16 = 5,644,292.40/x
  3. Step 3: Cross multiply
    10,290,469.50x = 14,200,868.16 × 5,644,292.40
  4. Step 4: Simplify right side
    10,290,469.50x = 80,153,852,228,889.98
  5. Step 5: Solve for x
    x = 80,153,852,228,889.98/10,290,469.50
  6. Step 6: Final answer
    x = 7,789,134.62

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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.