Home / 11,555,136.76-15,946,085.10-6,398,496.94

Finding the Fourth Proportional to 11,555,136.76, 15,946,085.10 and 6,398,496.94

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Solution

The fourth proportional to 11,555,136.76, 15,946,085.10 and 6,398,496.94 is: 8,829,923.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,136.76 : 15,946,085.10 = 6,398,496.94 : x
  2. Step 2: Convert to fraction form
    11,555,136.76/15,946,085.10 = 6,398,496.94/x
  3. Step 3: Cross multiply
    11,555,136.76x = 15,946,085.10 × 6,398,496.94
  4. Step 4: Simplify right side
    11,555,136.76x = 102,030,976,717,329.59
  5. Step 5: Solve for x
    x = 102,030,976,717,329.59/11,555,136.76
  6. Step 6: Final answer
    x = 8,829,923.77

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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.