Home / 5,615,871.48-7,749,247.32-3,168,521.28

Finding the Fourth Proportional to 5,615,871.48, 7,749,247.32 and 3,168,521.28

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Solution

The fourth proportional to 5,615,871.48, 7,749,247.32 and 3,168,521.28 is: 4,372,189.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,871.48 : 7,749,247.32 = 3,168,521.28 : x
  2. Step 2: Convert to fraction form
    5,615,871.48/7,749,247.32 = 3,168,521.28/x
  3. Step 3: Cross multiply
    5,615,871.48x = 7,749,247.32 × 3,168,521.28
  4. Step 4: Simplify right side
    5,615,871.48x = 24,553,655,037,402.97
  5. Step 5: Solve for x
    x = 24,553,655,037,402.97/5,615,871.48
  6. Step 6: Final answer
    x = 4,372,189.63

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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.