Home / 8,492,030.70-12,738,046.05-6,600,129.90

Finding the Fourth Proportional to 8,492,030.70, 12,738,046.05 and 6,600,129.90

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Solution

The fourth proportional to 8,492,030.70, 12,738,046.05 and 6,600,129.90 is: 9,900,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,492,030.70 : 12,738,046.05 = 6,600,129.90 : x
  2. Step 2: Convert to fraction form
    8,492,030.70/12,738,046.05 = 6,600,129.90/x
  3. Step 3: Cross multiply
    8,492,030.70x = 12,738,046.05 × 6,600,129.90
  4. Step 4: Simplify right side
    8,492,030.70x = 84,072,758,602,181.91
  5. Step 5: Solve for x
    x = 84,072,758,602,181.91/8,492,030.70
  6. Step 6: Final answer
    x = 9,900,194.85

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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.