Home / 13,376,521.80-20,064,782.70-4,857,136.20

Finding the Fourth Proportional to 13,376,521.80, 20,064,782.70 and 4,857,136.20

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Solution

The fourth proportional to 13,376,521.80, 20,064,782.70 and 4,857,136.20 is: 7,285,704.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376,521.80 : 20,064,782.70 = 4,857,136.20 : x
  2. Step 2: Convert to fraction form
    13,376,521.80/20,064,782.70 = 4,857,136.20/x
  3. Step 3: Cross multiply
    13,376,521.80x = 20,064,782.70 × 4,857,136.20
  4. Step 4: Simplify right side
    13,376,521.80x = 97,457,382,397,303.73
  5. Step 5: Solve for x
    x = 97,457,382,397,303.73/13,376,521.80
  6. Step 6: Final answer
    x = 7,285,704.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.