Home / 13,057,664.75-18,018,146.48-7,550,206.15

Finding the Fourth Proportional to 13,057,664.75, 18,018,146.48 and 7,550,206.15

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Solution

The fourth proportional to 13,057,664.75, 18,018,146.48 and 7,550,206.15 is: 10,418,457.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057,664.75 : 18,018,146.48 = 7,550,206.15 : x
  2. Step 2: Convert to fraction form
    13,057,664.75/18,018,146.48 = 7,550,206.15/x
  3. Step 3: Cross multiply
    13,057,664.75x = 18,018,146.48 × 7,550,206.15
  4. Step 4: Simplify right side
    13,057,664.75x = 136,040,720,274,806.11
  5. Step 5: Solve for x
    x = 136,040,720,274,806.11/13,057,664.75
  6. Step 6: Final answer
    x = 10,418,457.12

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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.