Home / 20,130,680,891.99-27,780,370,241.95-11,219,818,326.23

Finding the Fourth Proportional to 20,130,680,891.99, 27,780,370,241.95 and 11,219,818,326.23

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Solution

The fourth proportional to 20,130,680,891.99, 27,780,370,241.95 and 11,219,818,326.23 is: 15,483,366,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,130,680,891.99 : 27,780,370,241.95 = 11,219,818,326.23 : x
  2. Step 2: Convert to fraction form
    20,130,680,891.99/27,780,370,241.95 = 11,219,818,326.23/x
  3. Step 3: Cross multiply
    20,130,680,891.99x = 27,780,370,241.95 × 11,219,818,326.23
  4. Step 4: Simplify right side
    20,130,680,891.99x = 311,690,707,150,179,729,408
  5. Step 5: Solve for x
    x = 311,690,707,150,179,729,408/20,130,680,891.99
  6. Step 6: Final answer
    x = 15,483,366,351.22

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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.