Home / 20,428,696,922.88-28,191,589,020-11,041,323,098.88

Finding the Fourth Proportional to 20,428,696,922.88, 28,191,589,020 and 11,041,323,098.88

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Solution

The fourth proportional to 20,428,696,922.88, 28,191,589,020 and 11,041,323,098.88 is: 15,237,018,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,428,696,922.88 : 28,191,589,020 = 11,041,323,098.88 : x
  2. Step 2: Convert to fraction form
    20,428,696,922.88/28,191,589,020 = 11,041,323,098.88/x
  3. Step 3: Cross multiply
    20,428,696,922.88x = 28,191,589,020 × 11,041,323,098.88
  4. Step 4: Simplify right side
    20,428,696,922.88x = 311,272,443,040,657,768,448
  5. Step 5: Solve for x
    x = 311,272,443,040,657,768,448/20,428,696,922.88
  6. Step 6: Final answer
    x = 15,237,018,994.20

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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.