Home / 19,424,311.80-29,136,467.70-6,643,678.20

Finding the Fourth Proportional to 19,424,311.80, 29,136,467.70 and 6,643,678.20

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Solution

The fourth proportional to 19,424,311.80, 29,136,467.70 and 6,643,678.20 is: 9,965,517.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424,311.80 : 29,136,467.70 = 6,643,678.20 : x
  2. Step 2: Convert to fraction form
    19,424,311.80/29,136,467.70 = 6,643,678.20/x
  3. Step 3: Cross multiply
    19,424,311.80x = 29,136,467.70 × 6,643,678.20
  4. Step 4: Simplify right side
    19,424,311.80x = 193,573,315,283,494.12
  5. Step 5: Solve for x
    x = 193,573,315,283,494.12/19,424,311.80
  6. Step 6: Final answer
    x = 9,965,517.30

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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.