Home / 19,621,979.97-27,078,068.04-10,920,150.27

Finding the Fourth Proportional to 19,621,979.97, 27,078,068.04 and 10,920,150.27

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Solution

The fourth proportional to 19,621,979.97, 27,078,068.04 and 10,920,150.27 is: 15,069,660.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621,979.97 : 27,078,068.04 = 10,920,150.27 : x
  2. Step 2: Convert to fraction form
    19,621,979.97/27,078,068.04 = 10,920,150.27/x
  3. Step 3: Cross multiply
    19,621,979.97x = 27,078,068.04 × 10,920,150.27
  4. Step 4: Simplify right side
    19,621,979.97x = 295,696,571,977,133.81
  5. Step 5: Solve for x
    x = 295,696,571,977,133.81/19,621,979.97
  6. Step 6: Final answer
    x = 15,069,660.27

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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.