Home / 18,604,069.68-27,909,829.56-10,418,352.82

Finding the Fourth Proportional to 18,604,069.68, 27,909,829.56 and 10,418,352.82

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Solution

The fourth proportional to 18,604,069.68, 27,909,829.56 and 10,418,352.82 is: 15,629,615.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,604,069.68 : 27,909,829.56 = 10,418,352.82 : x
  2. Step 2: Convert to fraction form
    18,604,069.68/27,909,829.56 = 10,418,352.82/x
  3. Step 3: Cross multiply
    18,604,069.68x = 27,909,829.56 × 10,418,352.82
  4. Step 4: Simplify right side
    18,604,069.68x = 290,774,451,502,145.38
  5. Step 5: Solve for x
    x = 290,774,451,502,145.38/18,604,069.68
  6. Step 6: Final answer
    x = 15,629,615.27

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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.