Home / 21,807,129,378.56-30,093,838,600.36-11,782,624,225.68

Finding the Fourth Proportional to 21,807,129,378.56, 30,093,838,600.36 and 11,782,624,225.68

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Solution

The fourth proportional to 21,807,129,378.56, 30,093,838,600.36 and 11,782,624,225.68 is: 16,260,021,462.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807,129,378.56 : 30,093,838,600.36 = 11,782,624,225.68 : x
  2. Step 2: Convert to fraction form
    21,807,129,378.56/30,093,838,600.36 = 11,782,624,225.68/x
  3. Step 3: Cross multiply
    21,807,129,378.56x = 30,093,838,600.36 × 11,782,624,225.68
  4. Step 4: Simplify right side
    21,807,129,378.56x = 354,584,391,736,305,647,616
  5. Step 5: Solve for x
    x = 354,584,391,736,305,647,616/21,807,129,378.56
  6. Step 6: Final answer
    x = 16,260,021,462.75

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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.