Home / 5,615,916.18-7,749,962.88-3,168,505.20

Finding the Fourth Proportional to 5,615,916.18, 7,749,962.88 and 3,168,505.20

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Solution

The fourth proportional to 5,615,916.18, 7,749,962.88 and 3,168,505.20 is: 4,372,536.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,916.18 : 7,749,962.88 = 3,168,505.20 : x
  2. Step 2: Convert to fraction form
    5,615,916.18/7,749,962.88 = 3,168,505.20/x
  3. Step 3: Cross multiply
    5,615,916.18x = 7,749,962.88 × 3,168,505.20
  4. Step 4: Simplify right side
    5,615,916.18x = 24,555,797,685,086.98
  5. Step 5: Solve for x
    x = 24,555,797,685,086.98/5,615,916.18
  6. Step 6: Final answer
    x = 4,372,536.36

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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.