Home / 19,424,296.80-29,136,445.20-6,643,663.20

Finding the Fourth Proportional to 19,424,296.80, 29,136,445.20 and 6,643,663.20

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Solution

The fourth proportional to 19,424,296.80, 29,136,445.20 and 6,643,663.20 is: 9,965,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424,296.80 : 29,136,445.20 = 6,643,663.20 : x
  2. Step 2: Convert to fraction form
    19,424,296.80/29,136,445.20 = 6,643,663.20/x
  3. Step 3: Cross multiply
    19,424,296.80x = 29,136,445.20 × 6,643,663.20
  4. Step 4: Simplify right side
    19,424,296.80x = 193,572,728,754,056.62
  5. Step 5: Solve for x
    x = 193,572,728,754,056.62/19,424,296.80
  6. Step 6: Final answer
    x = 9,965,494.80

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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.