Home / 21,261,361.62-31,896,693.60-6,885,882.60

Finding the Fourth Proportional to 21,261,361.62, 31,896,693.60 and 6,885,882.60

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Solution

The fourth proportional to 21,261,361.62, 31,896,693.60 and 6,885,882.60 is: 10,330,330.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,261,361.62 : 31,896,693.60 = 6,885,882.60 : x
  2. Step 2: Convert to fraction form
    21,261,361.62/31,896,693.60 = 6,885,882.60/x
  3. Step 3: Cross multiply
    21,261,361.62x = 31,896,693.60 × 6,885,882.60
  4. Step 4: Simplify right side
    21,261,361.62x = 219,636,887,457,771.34
  5. Step 5: Solve for x
    x = 219,636,887,457,771.34/21,261,361.62
  6. Step 6: Final answer
    x = 10,330,330.27

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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.