Home / 21,807,129,374.32-30,093,838,594.50-11,782,624,221.45

Finding the Fourth Proportional to 21,807,129,374.32, 30,093,838,594.50 and 11,782,624,221.45

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Solution

The fourth proportional to 21,807,129,374.32, 30,093,838,594.50 and 11,782,624,221.45 is: 16,260,021,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807,129,374.32 : 30,093,838,594.50 = 11,782,624,221.45 : x
  2. Step 2: Convert to fraction form
    21,807,129,374.32/30,093,838,594.50 = 11,782,624,221.45/x
  3. Step 3: Cross multiply
    21,807,129,374.32x = 30,093,838,594.50 × 11,782,624,221.45
  4. Step 4: Simplify right side
    21,807,129,374.32x = 354,584,391,539,962,544,128
  5. Step 5: Solve for x
    x = 354,584,391,539,962,544,128/21,807,129,374.32
  6. Step 6: Final answer
    x = 16,260,021,456.91

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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.