Home / 14,012,604.30-21,018,906.45-8,603,715.90

Finding the Fourth Proportional to 14,012,604.30, 21,018,906.45 and 8,603,715.90

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Solution

The fourth proportional to 14,012,604.30, 21,018,906.45 and 8,603,715.90 is: 12,905,573.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012,604.30 : 21,018,906.45 = 8,603,715.90 : x
  2. Step 2: Convert to fraction form
    14,012,604.30/21,018,906.45 = 8,603,715.90/x
  3. Step 3: Cross multiply
    14,012,604.30x = 21,018,906.45 × 8,603,715.90
  4. Step 4: Simplify right side
    14,012,604.30x = 180,840,699,624,477.56
  5. Step 5: Solve for x
    x = 180,840,699,624,477.56/14,012,604.30
  6. Step 6: Final answer
    x = 12,905,573.85

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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.