Home / 19,980,488.28-27,573,073.46-10,813,131.03

Finding the Fourth Proportional to 19,980,488.28, 27,573,073.46 and 10,813,131.03

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Solution

The fourth proportional to 19,980,488.28, 27,573,073.46 and 10,813,131.03 is: 14,922,120.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,980,488.28 : 27,573,073.46 = 10,813,131.03 : x
  2. Step 2: Convert to fraction form
    19,980,488.28/27,573,073.46 = 10,813,131.03/x
  3. Step 3: Cross multiply
    19,980,488.28x = 27,573,073.46 × 10,813,131.03
  4. Step 4: Simplify right side
    19,980,488.28x = 298,151,256,168,729.75
  5. Step 5: Solve for x
    x = 298,151,256,168,729.75/19,980,488.28
  6. Step 6: Final answer
    x = 14,922,120.62

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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.