Home / 21,807,129,368.55-30,093,838,586.52-11,782,624,215.67

Finding the Fourth Proportional to 21,807,129,368.55, 30,093,838,586.52 and 11,782,624,215.67

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Solution

The fourth proportional to 21,807,129,368.55, 30,093,838,586.52 and 11,782,624,215.67 is: 16,260,021,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807,129,368.55 : 30,093,838,586.52 = 11,782,624,215.67 : x
  2. Step 2: Convert to fraction form
    21,807,129,368.55/30,093,838,586.52 = 11,782,624,215.67/x
  3. Step 3: Cross multiply
    21,807,129,368.55x = 30,093,838,586.52 × 11,782,624,215.67
  4. Step 4: Simplify right side
    21,807,129,368.55x = 354,584,391,272,068,022,272
  5. Step 5: Solve for x
    x = 354,584,391,272,068,022,272/21,807,129,368.55
  6. Step 6: Final answer
    x = 16,260,021,448.92

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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.