Home / 13,401,344.37-18,495,221.88-7,896,435.73

Finding the Fourth Proportional to 13,401,344.37, 18,495,221.88 and 7,896,435.73

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Solution

The fourth proportional to 13,401,344.37, 18,495,221.88 and 7,896,435.73 is: 10,897,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,344.37 : 18,495,221.88 = 7,896,435.73 : x
  2. Step 2: Convert to fraction form
    13,401,344.37/18,495,221.88 = 7,896,435.73/x
  3. Step 3: Cross multiply
    13,401,344.37x = 18,495,221.88 × 7,896,435.73
  4. Step 4: Simplify right side
    13,401,344.37x = 146,046,330,887,509.78
  5. Step 5: Solve for x
    x = 146,046,330,887,509.78/13,401,344.37
  6. Step 6: Final answer
    x = 10,897,886.57

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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.