Home / 13,045,415.66-18,002,889.91-7,165,593.26

Finding the Fourth Proportional to 13,045,415.66, 18,002,889.91 and 7,165,593.26

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Solution

The fourth proportional to 13,045,415.66, 18,002,889.91 and 7,165,593.26 is: 9,888,637.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045,415.66 : 18,002,889.91 = 7,165,593.26 : x
  2. Step 2: Convert to fraction form
    13,045,415.66/18,002,889.91 = 7,165,593.26/x
  3. Step 3: Cross multiply
    13,045,415.66x = 18,002,889.91 × 7,165,593.26
  4. Step 4: Simplify right side
    13,045,415.66x = 129,001,386,599,618
  5. Step 5: Solve for x
    x = 129,001,386,599,618/13,045,415.66
  6. Step 6: Final answer
    x = 9,888,637.51

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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.