Home / 8,492,032.70-12,738,049.05-6,600,131.90

Finding the Fourth Proportional to 8,492,032.70, 12,738,049.05 and 6,600,131.90

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Solution

The fourth proportional to 8,492,032.70, 12,738,049.05 and 6,600,131.90 is: 9,900,197.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492,032.70 : 12,738,049.05 = 6,600,131.90 : x
  2. Step 2: Convert to fraction form
    8,492,032.70/12,738,049.05 = 6,600,131.90/x
  3. Step 3: Cross multiply
    8,492,032.70x = 12,738,049.05 × 6,600,131.90
  4. Step 4: Simplify right side
    8,492,032.70x = 84,072,803,878,669.70
  5. Step 5: Solve for x
    x = 84,072,803,878,669.70/8,492,032.70
  6. Step 6: Final answer
    x = 9,900,197.85

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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.