Home / 12,238,220.10-18,371,509.20-6,569,516.10

Finding the Fourth Proportional to 12,238,220.10, 18,371,509.20 and 6,569,516.10

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Solution

The fourth proportional to 12,238,220.10, 18,371,509.20 and 6,569,516.10 is: 9,861,885.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,238,220.10 : 18,371,509.20 = 6,569,516.10 : x
  2. Step 2: Convert to fraction form
    12,238,220.10/18,371,509.20 = 6,569,516.10/x
  3. Step 3: Cross multiply
    12,238,220.10x = 18,371,509.20 × 6,569,516.10
  4. Step 4: Simplify right side
    12,238,220.10x = 120,691,925,470,698.11
  5. Step 5: Solve for x
    x = 120,691,925,470,698.11/12,238,220.10
  6. Step 6: Final answer
    x = 9,861,885.51

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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.