Home / 15,580,949.85-21,502,823.46-8,611,477.47

Finding the Fourth Proportional to 15,580,949.85, 21,502,823.46 and 8,611,477.47

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Solution

The fourth proportional to 15,580,949.85, 21,502,823.46 and 8,611,477.47 is: 11,884,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580,949.85 : 21,502,823.46 = 8,611,477.47 : x
  2. Step 2: Convert to fraction form
    15,580,949.85/21,502,823.46 = 8,611,477.47/x
  3. Step 3: Cross multiply
    15,580,949.85x = 21,502,823.46 × 8,611,477.47
  4. Step 4: Simplify right side
    15,580,949.85x = 185,171,079,767,177.47
  5. Step 5: Solve for x
    x = 185,171,079,767,177.47/15,580,949.85
  6. Step 6: Final answer
    x = 11,884,453.87

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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.