Home / 21,686,222.48-29,926,812.42-11,763,080.55

Finding the Fourth Proportional to 21,686,222.48, 29,926,812.42 and 11,763,080.55

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Solution

The fourth proportional to 21,686,222.48, 29,926,812.42 and 11,763,080.55 is: 16,232,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686,222.48 : 29,926,812.42 = 11,763,080.55 : x
  2. Step 2: Convert to fraction form
    21,686,222.48/29,926,812.42 = 11,763,080.55/x
  3. Step 3: Cross multiply
    21,686,222.48x = 29,926,812.42 × 11,763,080.55
  4. Step 4: Simplify right side
    21,686,222.48x = 352,031,505,101,200.50
  5. Step 5: Solve for x
    x = 352,031,505,101,200.50/21,686,222.48
  6. Step 6: Final answer
    x = 16,232,956.45

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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.