Home / 13,508,986.79-18,642,409.53-7,314,034.70

Finding the Fourth Proportional to 13,508,986.79, 18,642,409.53 and 7,314,034.70

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Solution

The fourth proportional to 13,508,986.79, 18,642,409.53 and 7,314,034.70 is: 10,093,372.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508,986.79 : 18,642,409.53 = 7,314,034.70 : x
  2. Step 2: Convert to fraction form
    13,508,986.79/18,642,409.53 = 7,314,034.70/x
  3. Step 3: Cross multiply
    13,508,986.79x = 18,642,409.53 × 7,314,034.70
  4. Step 4: Simplify right side
    13,508,986.79x = 136,351,230,194,030.70
  5. Step 5: Solve for x
    x = 136,351,230,194,030.70/13,508,986.79
  6. Step 6: Final answer
    x = 10,093,372.09

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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.