Home / 7,154,445.96-9,873,128.34-4,098,672.36

Finding the Fourth Proportional to 7,154,445.96, 9,873,128.34 and 4,098,672.36

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Solution

The fourth proportional to 7,154,445.96, 9,873,128.34 and 4,098,672.36 is: 5,656,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,154,445.96 : 9,873,128.34 = 4,098,672.36 : x
  2. Step 2: Convert to fraction form
    7,154,445.96/9,873,128.34 = 4,098,672.36/x
  3. Step 3: Cross multiply
    7,154,445.96x = 9,873,128.34 × 4,098,672.36
  4. Step 4: Simplify right side
    7,154,445.96x = 40,466,718,233,890.68
  5. Step 5: Solve for x
    x = 40,466,718,233,890.68/7,154,445.96
  6. Step 6: Final answer
    x = 5,656,163.80

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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.