Home / 19,681,802.16-27,160,898.52-10,979,974.64

Finding the Fourth Proportional to 19,681,802.16, 27,160,898.52 and 10,979,974.64

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Solution

The fourth proportional to 19,681,802.16, 27,160,898.52 and 10,979,974.64 is: 15,152,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,681,802.16 : 27,160,898.52 = 10,979,974.64 : x
  2. Step 2: Convert to fraction form
    19,681,802.16/27,160,898.52 = 10,979,974.64/x
  3. Step 3: Cross multiply
    19,681,802.16x = 27,160,898.52 × 10,979,974.64
  4. Step 4: Simplify right side
    19,681,802.16x = 298,225,976,949,213.56
  5. Step 5: Solve for x
    x = 298,225,976,949,213.56/19,681,802.16
  6. Step 6: Final answer
    x = 15,152,371.44

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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.