Home / 13,085,589.33-18,058,705.52-7,579,204.47

Finding the Fourth Proportional to 13,085,589.33, 18,058,705.52 and 7,579,204.47

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Solution

The fourth proportional to 13,085,589.33, 18,058,705.52 and 7,579,204.47 is: 10,459,645.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,085,589.33 : 18,058,705.52 = 7,579,204.47 : x
  2. Step 2: Convert to fraction form
    13,085,589.33/18,058,705.52 = 7,579,204.47/x
  3. Step 3: Cross multiply
    13,085,589.33x = 18,058,705.52 × 7,579,204.47
  4. Step 4: Simplify right side
    13,085,589.33x = 136,870,621,561,701.66
  5. Step 5: Solve for x
    x = 136,870,621,561,701.66/13,085,589.33
  6. Step 6: Final answer
    x = 10,459,645.20

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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.