Home / 13,136,750.28-18,128,351.66-7,256,279.08

Finding the Fourth Proportional to 13,136,750.28, 18,128,351.66 and 7,256,279.08

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Solution

The fourth proportional to 13,136,750.28, 18,128,351.66 and 7,256,279.08 is: 10,013,464.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,136,750.28 : 18,128,351.66 = 7,256,279.08 : x
  2. Step 2: Convert to fraction form
    13,136,750.28/18,128,351.66 = 7,256,279.08/x
  3. Step 3: Cross multiply
    13,136,750.28x = 18,128,351.66 × 7,256,279.08
  4. Step 4: Simplify right side
    13,136,750.28x = 131,544,378,905,341.28
  5. Step 5: Solve for x
    x = 131,544,378,905,341.28/13,136,750.28
  6. Step 6: Final answer
    x = 10,013,464.22

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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.