Home / 7,113,237.78-10,669,884.72-1,721,879.55

Finding the Fourth Proportional to 7,113,237.78, 10,669,884.72 and 1,721,879.55

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Solution

The fourth proportional to 7,113,237.78, 10,669,884.72 and 1,721,879.55 is: 2,582,826.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,113,237.78 : 10,669,884.72 = 1,721,879.55 : x
  2. Step 2: Convert to fraction form
    7,113,237.78/10,669,884.72 = 1,721,879.55/x
  3. Step 3: Cross multiply
    7,113,237.78x = 10,669,884.72 × 1,721,879.55
  4. Step 4: Simplify right side
    7,113,237.78x = 18,372,256,300,225.48
  5. Step 5: Solve for x
    x = 18,372,256,300,225.48/7,113,237.78
  6. Step 6: Final answer
    x = 2,582,826.11

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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.