Home / 23,133,915.90-31,884,955.83-15,385,112.46

Finding the Fourth Proportional to 23,133,915.90, 31,884,955.83 and 15,385,112.46

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Solution

The fourth proportional to 23,133,915.90, 31,884,955.83 and 15,385,112.46 is: 21,204,954.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,915.90 : 31,884,955.83 = 15,385,112.46 : x
  2. Step 2: Convert to fraction form
    23,133,915.90/31,884,955.83 = 15,385,112.46/x
  3. Step 3: Cross multiply
    23,133,915.90x = 31,884,955.83 × 15,385,112.46
  4. Step 4: Simplify right side
    23,133,915.90x = 490,553,631,226,682.62
  5. Step 5: Solve for x
    x = 490,553,631,226,682.62/23,133,915.90
  6. Step 6: Final answer
    x = 21,204,954.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.