Home / 16,859,166.80-25,288,750.20-12,607,638.80

Finding the Fourth Proportional to 16,859,166.80, 25,288,750.20 and 12,607,638.80

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Solution

The fourth proportional to 16,859,166.80, 25,288,750.20 and 12,607,638.80 is: 18,911,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859,166.80 : 25,288,750.20 = 12,607,638.80 : x
  2. Step 2: Convert to fraction form
    16,859,166.80/25,288,750.20 = 12,607,638.80/x
  3. Step 3: Cross multiply
    16,859,166.80x = 25,288,750.20 × 12,607,638.80
  4. Step 4: Simplify right side
    16,859,166.80x = 318,831,428,225,027.75
  5. Step 5: Solve for x
    x = 318,831,428,225,027.75/16,859,166.80
  6. Step 6: Final answer
    x = 18,911,458.20

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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.