Home / 13,137,432.96-18,129,486.24-7,336,316.64

Finding the Fourth Proportional to 13,137,432.96, 18,129,486.24 and 7,336,316.64

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Solution

The fourth proportional to 13,137,432.96, 18,129,486.24 and 7,336,316.64 is: 10,124,021.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137,432.96 : 18,129,486.24 = 7,336,316.64 : x
  2. Step 2: Convert to fraction form
    13,137,432.96/18,129,486.24 = 7,336,316.64/x
  3. Step 3: Cross multiply
    13,137,432.96x = 18,129,486.24 × 7,336,316.64
  4. Step 4: Simplify right side
    13,137,432.96x = 133,003,651,577,163.02
  5. Step 5: Solve for x
    x = 133,003,651,577,163.02/13,137,432.96
  6. Step 6: Final answer
    x = 10,124,021.34

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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.