Home / 13,136,722.22-18,128,313.07-7,256,251.01

Finding the Fourth Proportional to 13,136,722.22, 18,128,313.07 and 7,256,251.01

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Solution

The fourth proportional to 13,136,722.22, 18,128,313.07 and 7,256,251.01 is: 10,013,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136,722.22 : 18,128,313.07 = 7,256,251.01 : x
  2. Step 2: Convert to fraction form
    13,136,722.22/18,128,313.07 = 7,256,251.01/x
  3. Step 3: Cross multiply
    13,136,722.22x = 18,128,313.07 × 7,256,251.01
  4. Step 4: Simplify right side
    13,136,722.22x = 131,543,590,050,963.86
  5. Step 5: Solve for x
    x = 131,543,590,050,963.86/13,136,722.22
  6. Step 6: Final answer
    x = 10,013,425.56

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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.