Home / 16,719,430.88-23,049,491.28-11,213,789.60

Finding the Fourth Proportional to 16,719,430.88, 23,049,491.28 and 11,213,789.60

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Solution

The fourth proportional to 16,719,430.88, 23,049,491.28 and 11,213,789.60 is: 15,459,386.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,719,430.88 : 23,049,491.28 = 11,213,789.60 : x
  2. Step 2: Convert to fraction form
    16,719,430.88/23,049,491.28 = 11,213,789.60/x
  3. Step 3: Cross multiply
    16,719,430.88x = 23,049,491.28 × 11,213,789.60
  4. Step 4: Simplify right side
    16,719,430.88x = 258,472,145,600,954.69
  5. Step 5: Solve for x
    x = 258,472,145,600,954.69/16,719,430.88
  6. Step 6: Final answer
    x = 15,459,386.59

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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.