Home / 21,620,503.70-29,836,293.91-11,830,949.05

Finding the Fourth Proportional to 21,620,503.70, 29,836,293.91 and 11,830,949.05

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Solution

The fourth proportional to 21,620,503.70, 29,836,293.91 and 11,830,949.05 is: 16,326,709.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620,503.70 : 29,836,293.91 = 11,830,949.05 : x
  2. Step 2: Convert to fraction form
    21,620,503.70/29,836,293.91 = 11,830,949.05/x
  3. Step 3: Cross multiply
    21,620,503.70x = 29,836,293.91 × 11,830,949.05
  4. Step 4: Simplify right side
    21,620,503.70x = 352,991,673,041,810.19
  5. Step 5: Solve for x
    x = 352,991,673,041,810.19/21,620,503.70
  6. Step 6: Final answer
    x = 16,326,709.03

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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.