Home / 21,807,129,372.57-30,093,838,592.08-11,782,624,219.70

Finding the Fourth Proportional to 21,807,129,372.57, 30,093,838,592.08 and 11,782,624,219.70

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Solution

The fourth proportional to 21,807,129,372.57, 30,093,838,592.08 and 11,782,624,219.70 is: 16,260,021,454.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807,129,372.57 : 30,093,838,592.08 = 11,782,624,219.70 : x
  2. Step 2: Convert to fraction form
    21,807,129,372.57/30,093,838,592.08 = 11,782,624,219.70/x
  3. Step 3: Cross multiply
    21,807,129,372.57x = 30,093,838,592.08 × 11,782,624,219.70
  4. Step 4: Simplify right side
    21,807,129,372.57x = 354,584,391,458,598,551,552
  5. Step 5: Solve for x
    x = 354,584,391,458,598,551,552/21,807,129,372.57
  6. Step 6: Final answer
    x = 16,260,021,454.48

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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.