Home / 5,615,214.60-8,422,821.90-4,288,110.60

Finding the Fourth Proportional to 5,615,214.60, 8,422,821.90 and 4,288,110.60

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Solution

The fourth proportional to 5,615,214.60, 8,422,821.90 and 4,288,110.60 is: 6,432,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,615,214.60 : 8,422,821.90 = 4,288,110.60 : x
  2. Step 2: Convert to fraction form
    5,615,214.60/8,422,821.90 = 4,288,110.60/x
  3. Step 3: Cross multiply
    5,615,214.60x = 8,422,821.90 × 4,288,110.60
  4. Step 4: Simplify right side
    5,615,214.60x = 36,117,991,871,302.14
  5. Step 5: Solve for x
    x = 36,117,991,871,302.14/5,615,214.60
  6. Step 6: Final answer
    x = 6,432,165.90

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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.