Home / 13,555,772.82-18,706,292.92-7,674,492.42

Finding the Fourth Proportional to 13,555,772.82, 18,706,292.92 and 7,674,492.42

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Solution

The fourth proportional to 13,555,772.82, 18,706,292.92 and 7,674,492.42 is: 10,590,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,772.82 : 18,706,292.92 = 7,674,492.42 : x
  2. Step 2: Convert to fraction form
    13,555,772.82/18,706,292.92 = 7,674,492.42/x
  3. Step 3: Cross multiply
    13,555,772.82x = 18,706,292.92 × 7,674,492.42
  4. Step 4: Simplify right side
    13,555,772.82x = 143,561,303,127,308.22
  5. Step 5: Solve for x
    x = 143,561,303,127,308.22/13,555,772.82
  6. Step 6: Final answer
    x = 10,590,418.20

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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.