Home / 11,555,136.70-15,946,085.01-6,398,496.88

Finding the Fourth Proportional to 11,555,136.70, 15,946,085.01 and 6,398,496.88

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Solution

The fourth proportional to 11,555,136.70, 15,946,085.01 and 6,398,496.88 is: 8,829,923.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555,136.70 : 15,946,085.01 = 6,398,496.88 : x
  2. Step 2: Convert to fraction form
    11,555,136.70/15,946,085.01 = 6,398,496.88/x
  3. Step 3: Cross multiply
    11,555,136.70x = 15,946,085.01 × 6,398,496.88
  4. Step 4: Simplify right side
    11,555,136.70x = 102,030,975,168,828.92
  5. Step 5: Solve for x
    x = 102,030,975,168,828.92/11,555,136.70
  6. Step 6: Final answer
    x = 8,829,923.68

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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.