Home / 13,002,782.96-17,902,784.76-11,453,078

Finding the Fourth Proportional to 13,002,782.96, 17,902,784.76 and 11,453,078

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Solution

The fourth proportional to 13,002,782.96, 17,902,784.76 and 11,453,078 is: 15,769,085.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,002,782.96 : 17,902,784.76 = 11,453,078 : x
  2. Step 2: Convert to fraction form
    13,002,782.96/17,902,784.76 = 11,453,078/x
  3. Step 3: Cross multiply
    13,002,782.96x = 17,902,784.76 × 11,453,078
  4. Step 4: Simplify right side
    13,002,782.96x = 205,041,990,273,491.31
  5. Step 5: Solve for x
    x = 205,041,990,273,491.31/13,002,782.96
  6. Step 6: Final answer
    x = 15,769,085.04

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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.