Home / 13,555,771.47-18,706,291.07-7,674,491.07

Finding the Fourth Proportional to 13,555,771.47, 18,706,291.07 and 7,674,491.07

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Solution

The fourth proportional to 13,555,771.47, 18,706,291.07 and 7,674,491.07 is: 10,590,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555,771.47 : 18,706,291.07 = 7,674,491.07 : x
  2. Step 2: Convert to fraction form
    13,555,771.47/18,706,291.07 = 7,674,491.07/x
  3. Step 3: Cross multiply
    13,555,771.47x = 18,706,291.07 × 7,674,491.07
  4. Step 4: Simplify right side
    13,555,771.47x = 143,561,263,731,163.31
  5. Step 5: Solve for x
    x = 143,561,263,731,163.31/13,555,771.47
  6. Step 6: Final answer
    x = 10,590,416.34

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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.