Home / 15,343,764.07-21,174,094.28-8,374,491.59

Finding the Fourth Proportional to 15,343,764.07, 21,174,094.28 and 8,374,491.59

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Solution

The fourth proportional to 15,343,764.07, 21,174,094.28 and 8,374,491.59 is: 11,556,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343,764.07 : 21,174,094.28 = 8,374,491.59 : x
  2. Step 2: Convert to fraction form
    15,343,764.07/21,174,094.28 = 8,374,491.59/x
  3. Step 3: Cross multiply
    15,343,764.07x = 21,174,094.28 × 8,374,491.59
  4. Step 4: Simplify right side
    15,343,764.07x = 177,322,274,473,727.12
  5. Step 5: Solve for x
    x = 177,322,274,473,727.12/15,343,764.07
  6. Step 6: Final answer
    x = 11,556,634.58

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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.