Home / 13,064,072.88-18,028,811.92-7,183,402.32

Finding the Fourth Proportional to 13,064,072.88, 18,028,811.92 and 7,183,402.32

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Solution

The fourth proportional to 13,064,072.88, 18,028,811.92 and 7,183,402.32 is: 9,913,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,064,072.88 : 18,028,811.92 = 7,183,402.32 : x
  2. Step 2: Convert to fraction form
    13,064,072.88/18,028,811.92 = 7,183,402.32/x
  3. Step 3: Cross multiply
    13,064,072.88x = 18,028,811.92 × 7,183,402.32
  4. Step 4: Simplify right side
    13,064,072.88x = 129,508,209,372,971.67
  5. Step 5: Solve for x
    x = 129,508,209,372,971.67/13,064,072.88
  6. Step 6: Final answer
    x = 9,913,310.39

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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.