Home / 19,787,356.20-27,305,173.34-10,966,721.12

Finding the Fourth Proportional to 19,787,356.20, 27,305,173.34 and 10,966,721.12

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Solution

The fourth proportional to 19,787,356.20, 27,305,173.34 and 10,966,721.12 is: 15,133,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,787,356.20 : 27,305,173.34 = 10,966,721.12 : x
  2. Step 2: Convert to fraction form
    19,787,356.20/27,305,173.34 = 10,966,721.12/x
  3. Step 3: Cross multiply
    19,787,356.20x = 27,305,173.34 × 10,966,721.12
  4. Step 4: Simplify right side
    19,787,356.20x = 299,448,221,153,038.94
  5. Step 5: Solve for x
    x = 299,448,221,153,038.94/19,787,356.20
  6. Step 6: Final answer
    x = 15,133,311.30

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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.