Home / 21,807,129,374.07-30,093,838,594.14-11,782,624,221.21

Finding the Fourth Proportional to 21,807,129,374.07, 30,093,838,594.14 and 11,782,624,221.21

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Solution

The fourth proportional to 21,807,129,374.07, 30,093,838,594.14 and 11,782,624,221.21 is: 16,260,021,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,807,129,374.07 : 30,093,838,594.14 = 11,782,624,221.21 : x
  2. Step 2: Convert to fraction form
    21,807,129,374.07/30,093,838,594.14 = 11,782,624,221.21/x
  3. Step 3: Cross multiply
    21,807,129,374.07x = 30,093,838,594.14 × 11,782,624,221.21
  4. Step 4: Simplify right side
    21,807,129,374.07x = 354,584,391,528,498,200,576
  5. Step 5: Solve for x
    x = 354,584,391,528,498,200,576/21,807,129,374.07
  6. Step 6: Final answer
    x = 16,260,021,456.57

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1.5x scale

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.