Home / 10,384,678.67-15,512,259.56-7,694,258.60

Finding the Fourth Proportional to 10,384,678.67, 15,512,259.56 and 7,694,258.60

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Solution

The fourth proportional to 10,384,678.67, 15,512,259.56 and 7,694,258.60 is: 11,493,406.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384,678.67 : 15,512,259.56 = 7,694,258.60 : x
  2. Step 2: Convert to fraction form
    10,384,678.67/15,512,259.56 = 7,694,258.60/x
  3. Step 3: Cross multiply
    10,384,678.67x = 15,512,259.56 × 7,694,258.60
  4. Step 4: Simplify right side
    10,384,678.67x = 119,355,336,525,271.56
  5. Step 5: Solve for x
    x = 119,355,336,525,271.56/10,384,678.67
  6. Step 6: Final answer
    x = 11,493,406.81

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.