Home / 5,615,308.83-7,749,127.68-3,168,438.42

Finding the Fourth Proportional to 5,615,308.83, 7,749,127.68 and 3,168,438.42

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Solution

The fourth proportional to 5,615,308.83, 7,749,127.68 and 3,168,438.42 is: 4,372,445.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,308.83 : 7,749,127.68 = 3,168,438.42 : x
  2. Step 2: Convert to fraction form
    5,615,308.83/7,749,127.68 = 3,168,438.42/x
  3. Step 3: Cross multiply
    5,615,308.83x = 7,749,127.68 × 3,168,438.42
  4. Step 4: Simplify right side
    5,615,308.83x = 24,552,633,862,797.46
  5. Step 5: Solve for x
    x = 24,552,633,862,797.46/5,615,308.83
  6. Step 6: Final answer
    x = 4,372,445.86

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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.