Home / 12,755,923.20-19,133,955.27-3,171,301.74

Finding the Fourth Proportional to 12,755,923.20, 19,133,955.27 and 3,171,301.74

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Solution

The fourth proportional to 12,755,923.20, 19,133,955.27 and 3,171,301.74 is: 4,756,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,755,923.20 : 19,133,955.27 = 3,171,301.74 : x
  2. Step 2: Convert to fraction form
    12,755,923.20/19,133,955.27 = 3,171,301.74/x
  3. Step 3: Cross multiply
    12,755,923.20x = 19,133,955.27 × 3,171,301.74
  4. Step 4: Simplify right side
    12,755,923.20x = 60,679,545,640,833.17
  5. Step 5: Solve for x
    x = 60,679,545,640,833.17/12,755,923.20
  6. Step 6: Final answer
    x = 4,756,970.13

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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.