Home / 13,400,419.29-18,494,220.36-7,893,509.55

Finding the Fourth Proportional to 13,400,419.29, 18,494,220.36 and 7,893,509.55

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Solution

The fourth proportional to 13,400,419.29, 18,494,220.36 and 7,893,509.55 is: 10,894,010.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400,419.29 : 18,494,220.36 = 7,893,509.55 : x
  2. Step 2: Convert to fraction form
    13,400,419.29/18,494,220.36 = 7,893,509.55/x
  3. Step 3: Cross multiply
    13,400,419.29x = 18,494,220.36 × 7,893,509.55
  4. Step 4: Simplify right side
    13,400,419.29x = 145,984,305,031,464.44
  5. Step 5: Solve for x
    x = 145,984,305,031,464.44/13,400,419.29
  6. Step 6: Final answer
    x = 10,894,010.24

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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.