Home / 13,311,915.60-19,967,873.40-11,877,024.90

Finding the Fourth Proportional to 13,311,915.60, 19,967,873.40 and 11,877,024.90

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Solution

The fourth proportional to 13,311,915.60, 19,967,873.40 and 11,877,024.90 is: 17,815,537.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,311,915.60 : 19,967,873.40 = 11,877,024.90 : x
  2. Step 2: Convert to fraction form
    13,311,915.60/19,967,873.40 = 11,877,024.90/x
  3. Step 3: Cross multiply
    13,311,915.60x = 19,967,873.40 × 11,877,024.90
  4. Step 4: Simplify right side
    13,311,915.60x = 237,158,929,571,847.66
  5. Step 5: Solve for x
    x = 237,158,929,571,847.66/13,311,915.60
  6. Step 6: Final answer
    x = 17,815,537.35

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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.