Home / 13,014,713.60-17,961,379.52-7,215,314.24

Finding the Fourth Proportional to 13,014,713.60, 17,961,379.52 and 7,215,314.24

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Solution

The fourth proportional to 13,014,713.60, 17,961,379.52 and 7,215,314.24 is: 9,957,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,014,713.60 : 17,961,379.52 = 7,215,314.24 : x
  2. Step 2: Convert to fraction form
    13,014,713.60/17,961,379.52 = 7,215,314.24/x
  3. Step 3: Cross multiply
    13,014,713.60x = 17,961,379.52 × 7,215,314.24
  4. Step 4: Simplify right side
    13,014,713.60x = 129,596,997,420,700.36
  5. Step 5: Solve for x
    x = 129,596,997,420,700.36/13,014,713.60
  6. Step 6: Final answer
    x = 9,957,729.49

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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.