Home / 21,807,129,372.32-30,093,838,591.74-11,782,624,219.45

Finding the Fourth Proportional to 21,807,129,372.32, 30,093,838,591.74 and 11,782,624,219.45

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Solution

The fourth proportional to 21,807,129,372.32, 30,093,838,591.74 and 11,782,624,219.45 is: 16,260,021,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807,129,372.32 : 30,093,838,591.74 = 11,782,624,219.45 : x
  2. Step 2: Convert to fraction form
    21,807,129,372.32/30,093,838,591.74 = 11,782,624,219.45/x
  3. Step 3: Cross multiply
    21,807,129,372.32x = 30,093,838,591.74 × 11,782,624,219.45
  4. Step 4: Simplify right side
    21,807,129,372.32x = 354,584,391,447,045,406,720
  5. Step 5: Solve for x
    x = 354,584,391,447,045,406,720/21,807,129,372.32
  6. Step 6: Final answer
    x = 16,260,021,454.14

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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.