Home / 7,112,749.70-10,669,125.09-1,721,401.04

Finding the Fourth Proportional to 7,112,749.70, 10,669,125.09 and 1,721,401.04

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Solution

The fourth proportional to 7,112,749.70, 10,669,125.09 and 1,721,401.04 is: 2,582,101.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,749.70 : 10,669,125.09 = 1,721,401.04 : x
  2. Step 2: Convert to fraction form
    7,112,749.70/10,669,125.09 = 1,721,401.04/x
  3. Step 3: Cross multiply
    7,112,749.70x = 10,669,125.09 × 1,721,401.04
  4. Step 4: Simplify right side
    7,112,749.70x = 18,365,843,025,816.09
  5. Step 5: Solve for x
    x = 18,365,843,025,816.09/7,112,749.70
  6. Step 6: Final answer
    x = 2,582,101.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.