Home / 9,966,278.40-14,966,006.40-5,481,772.80

Finding the Fourth Proportional to 9,966,278.40, 14,966,006.40 and 5,481,772.80

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Solution

The fourth proportional to 9,966,278.40, 14,966,006.40 and 5,481,772.80 is: 8,231,783.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,278.40 : 14,966,006.40 = 5,481,772.80 : x
  2. Step 2: Convert to fraction form
    9,966,278.40/14,966,006.40 = 5,481,772.80/x
  3. Step 3: Cross multiply
    9,966,278.40x = 14,966,006.40 × 5,481,772.80
  4. Step 4: Simplify right side
    9,966,278.40x = 82,040,246,808,145.92
  5. Step 5: Solve for x
    x = 82,040,246,808,145.92/9,966,278.40
  6. Step 6: Final answer
    x = 8,231,783.57

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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.