Home / 23,408,610.30-35,112,915.45-21,141,128.70

Finding the Fourth Proportional to 23,408,610.30, 35,112,915.45 and 21,141,128.70

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Solution

The fourth proportional to 23,408,610.30, 35,112,915.45 and 21,141,128.70 is: 31,711,693.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,408,610.30 : 35,112,915.45 = 21,141,128.70 : x
  2. Step 2: Convert to fraction form
    23,408,610.30/35,112,915.45 = 21,141,128.70/x
  3. Step 3: Cross multiply
    23,408,610.30x = 35,112,915.45 × 21,141,128.70
  4. Step 4: Simplify right side
    23,408,610.30x = 742,326,664,560,668.50
  5. Step 5: Solve for x
    x = 742,326,664,560,668.50/23,408,610.30
  6. Step 6: Final answer
    x = 31,711,693.05

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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.