Home / 17,377,059.81-23,980,507.88-9,642,821.79

Finding the Fourth Proportional to 17,377,059.81, 23,980,507.88 and 9,642,821.79

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Solution

The fourth proportional to 17,377,059.81, 23,980,507.88 and 9,642,821.79 is: 13,307,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,377,059.81 : 23,980,507.88 = 9,642,821.79 : x
  2. Step 2: Convert to fraction form
    17,377,059.81/23,980,507.88 = 9,642,821.79/x
  3. Step 3: Cross multiply
    17,377,059.81x = 23,980,507.88 × 9,642,821.79
  4. Step 4: Simplify right side
    17,377,059.81x = 231,239,763,872,316.56
  5. Step 5: Solve for x
    x = 231,239,763,872,316.56/17,377,059.81
  6. Step 6: Final answer
    x = 13,307,185.82

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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.