Home / 20,734,068.07-31,100,991.39-5,381,346.53

Finding the Fourth Proportional to 20,734,068.07, 31,100,991.39 and 5,381,346.53

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Solution

The fourth proportional to 20,734,068.07, 31,100,991.39 and 5,381,346.53 is: 8,071,991.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734,068.07 : 31,100,991.39 = 5,381,346.53 : x
  2. Step 2: Convert to fraction form
    20,734,068.07/31,100,991.39 = 5,381,346.53/x
  3. Step 3: Cross multiply
    20,734,068.07x = 31,100,991.39 × 5,381,346.53
  4. Step 4: Simplify right side
    20,734,068.07x = 167,365,212,096,136.38
  5. Step 5: Solve for x
    x = 167,365,212,096,136.38/20,734,068.07
  6. Step 6: Final answer
    x = 8,071,991.06

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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.