Home / 21,322,881.21-31,984,297.04-6,945,925.93

Finding the Fourth Proportional to 21,322,881.21, 31,984,297.04 and 6,945,925.93

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Solution

The fourth proportional to 21,322,881.21, 31,984,297.04 and 6,945,925.93 is: 10,418,880.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322,881.21 : 31,984,297.04 = 6,945,925.93 : x
  2. Step 2: Convert to fraction form
    21,322,881.21/31,984,297.04 = 6,945,925.93/x
  3. Step 3: Cross multiply
    21,322,881.21x = 31,984,297.04 × 6,945,925.93
  4. Step 4: Simplify right side
    21,322,881.21x = 222,160,558,128,228.59
  5. Step 5: Solve for x
    x = 222,160,558,128,228.59/21,322,881.21
  6. Step 6: Final answer
    x = 10,418,880.83

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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.