Home / 20,801,734.77-31,194,962.66-7,151,008.38

Finding the Fourth Proportional to 20,801,734.77, 31,194,962.66 and 7,151,008.38

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Solution

The fourth proportional to 20,801,734.77, 31,194,962.66 and 7,151,008.38 is: 10,723,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,801,734.77 : 31,194,962.66 = 7,151,008.38 : x
  2. Step 2: Convert to fraction form
    20,801,734.77/31,194,962.66 = 7,151,008.38/x
  3. Step 3: Cross multiply
    20,801,734.77x = 31,194,962.66 × 7,151,008.38
  4. Step 4: Simplify right side
    20,801,734.77x = 223,075,439,395,447.09
  5. Step 5: Solve for x
    x = 223,075,439,395,447.09/20,801,734.77
  6. Step 6: Final answer
    x = 10,723,886.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.