Home / 10,395,361.27-15,516,902.21-9,168,191.83

Finding the Fourth Proportional to 10,395,361.27, 15,516,902.21 and 9,168,191.83

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Solution

The fourth proportional to 10,395,361.27, 15,516,902.21 and 9,168,191.83 is: 13,685,136.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395,361.27 : 15,516,902.21 = 9,168,191.83 : x
  2. Step 2: Convert to fraction form
    10,395,361.27/15,516,902.21 = 9,168,191.83/x
  3. Step 3: Cross multiply
    10,395,361.27x = 15,516,902.21 × 9,168,191.83
  4. Step 4: Simplify right side
    10,395,361.27x = 142,261,936,068,630.97
  5. Step 5: Solve for x
    x = 142,261,936,068,630.97/10,395,361.27
  6. Step 6: Final answer
    x = 13,685,136.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.