Home / 16,929,027.60-25,393,541.40-12,618,013.20

Finding the Fourth Proportional to 16,929,027.60, 25,393,541.40 and 12,618,013.20

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Solution

The fourth proportional to 16,929,027.60, 25,393,541.40 and 12,618,013.20 is: 18,927,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929,027.60 : 25,393,541.40 = 12,618,013.20 : x
  2. Step 2: Convert to fraction form
    16,929,027.60/25,393,541.40 = 12,618,013.20/x
  3. Step 3: Cross multiply
    16,929,027.60x = 25,393,541.40 × 12,618,013.20
  4. Step 4: Simplify right side
    16,929,027.60x = 320,416,040,579,946.44
  5. Step 5: Solve for x
    x = 320,416,040,579,946.44/16,929,027.60
  6. Step 6: Final answer
    x = 18,927,019.80

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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.