Home / 8,197,661.70-12,296,492.55-6,603,338.70

Finding the Fourth Proportional to 8,197,661.70, 12,296,492.55 and 6,603,338.70

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Solution

The fourth proportional to 8,197,661.70, 12,296,492.55 and 6,603,338.70 is: 9,905,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,197,661.70 : 12,296,492.55 = 6,603,338.70 : x
  2. Step 2: Convert to fraction form
    8,197,661.70/12,296,492.55 = 6,603,338.70/x
  3. Step 3: Cross multiply
    8,197,661.70x = 12,296,492.55 × 6,603,338.70
  4. Step 4: Simplify right side
    8,197,661.70x = 81,197,905,129,676.69
  5. Step 5: Solve for x
    x = 81,197,905,129,676.69/8,197,661.70
  6. Step 6: Final answer
    x = 9,905,008.05

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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.