Home / 14,771,328-20,385,136.80-8,332,800

Finding the Fourth Proportional to 14,771,328, 20,385,136.80 and 8,332,800

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Solution

The fourth proportional to 14,771,328, 20,385,136.80 and 8,332,800 is: 11,499,661.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771,328 : 20,385,136.80 = 8,332,800 : x
  2. Step 2: Convert to fraction form
    14,771,328/20,385,136.80 = 8,332,800/x
  3. Step 3: Cross multiply
    14,771,328x = 20,385,136.80 × 8,332,800
  4. Step 4: Simplify right side
    14,771,328x = 169,865,267,927,040
  5. Step 5: Solve for x
    x = 169,865,267,927,040/14,771,328
  6. Step 6: Final answer
    x = 11,499,661.23

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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.