Home / 15,136,714.18-20,885,472.84-9,628,084

Finding the Fourth Proportional to 15,136,714.18, 20,885,472.84 and 9,628,084

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Solution

The fourth proportional to 15,136,714.18, 20,885,472.84 and 9,628,084 is: 13,284,725.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,136,714.18 : 20,885,472.84 = 9,628,084 : x
  2. Step 2: Convert to fraction form
    15,136,714.18/20,885,472.84 = 9,628,084/x
  3. Step 3: Cross multiply
    15,136,714.18x = 20,885,472.84 × 9,628,084
  4. Step 4: Simplify right side
    15,136,714.18x = 201,087,086,883,238.56
  5. Step 5: Solve for x
    x = 201,087,086,883,238.56/15,136,714.18
  6. Step 6: Final answer
    x = 13,284,725.11

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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.