Home / 26,289,915.20-39,428,911.20-11,903,485.76

Finding the Fourth Proportional to 26,289,915.20, 39,428,911.20 and 11,903,485.76

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Solution

The fourth proportional to 26,289,915.20, 39,428,911.20 and 11,903,485.76 is: 17,852,529.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,289,915.20 : 39,428,911.20 = 11,903,485.76 : x
  2. Step 2: Convert to fraction form
    26,289,915.20/39,428,911.20 = 11,903,485.76/x
  3. Step 3: Cross multiply
    26,289,915.20x = 39,428,911.20 × 11,903,485.76
  4. Step 4: Simplify right side
    26,289,915.20x = 469,341,483,001,504.56
  5. Step 5: Solve for x
    x = 469,341,483,001,504.56/26,289,915.20
  6. Step 6: Final answer
    x = 17,852,529.36

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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.