Home / 12,481,772.70-18,707,913.45-5,293,292.70

Finding the Fourth Proportional to 12,481,772.70, 18,707,913.45 and 5,293,292.70

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Solution

The fourth proportional to 12,481,772.70, 18,707,913.45 and 5,293,292.70 is: 7,933,685.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,772.70 : 18,707,913.45 = 5,293,292.70 : x
  2. Step 2: Convert to fraction form
    12,481,772.70/18,707,913.45 = 5,293,292.70/x
  3. Step 3: Cross multiply
    12,481,772.70x = 18,707,913.45 × 5,293,292.70
  4. Step 4: Simplify right side
    12,481,772.70x = 99,026,461,697,116.81
  5. Step 5: Solve for x
    x = 99,026,461,697,116.81/12,481,772.70
  6. Step 6: Final answer
    x = 7,933,685.71

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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.