Home / 21,136,967.04-29,174,235.84-11,975,007.36

Finding the Fourth Proportional to 21,136,967.04, 29,174,235.84 and 11,975,007.36

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Solution

The fourth proportional to 21,136,967.04, 29,174,235.84 and 11,975,007.36 is: 16,528,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,136,967.04 : 29,174,235.84 = 11,975,007.36 : x
  2. Step 2: Convert to fraction form
    21,136,967.04/29,174,235.84 = 11,975,007.36/x
  3. Step 3: Cross multiply
    21,136,967.04x = 29,174,235.84 × 11,975,007.36
  4. Step 4: Simplify right side
    21,136,967.04x = 349,361,688,906,375.75
  5. Step 5: Solve for x
    x = 349,361,688,906,375.75/21,136,967.04
  6. Step 6: Final answer
    x = 16,528,468.26

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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.