Home / 10,379,079.40-14,323,044-5,669,478.76

Finding the Fourth Proportional to 10,379,079.40, 14,323,044 and 5,669,478.76

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Solution

The fourth proportional to 10,379,079.40, 14,323,044 and 5,669,478.76 is: 7,823,833.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379,079.40 : 14,323,044 = 5,669,478.76 : x
  2. Step 2: Convert to fraction form
    10,379,079.40/14,323,044 = 5,669,478.76/x
  3. Step 3: Cross multiply
    10,379,079.40x = 14,323,044 × 5,669,478.76
  4. Step 4: Simplify right side
    10,379,079.40x = 81,204,193,736,545.44
  5. Step 5: Solve for x
    x = 81,204,193,736,545.44/10,379,079.40
  6. Step 6: Final answer
    x = 7,823,833.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.