Home / 8,702,173.85-12,009,199.92-4,782,173.68

Finding the Fourth Proportional to 8,702,173.85, 12,009,199.92 and 4,782,173.68

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Solution

The fourth proportional to 8,702,173.85, 12,009,199.92 and 4,782,173.68 is: 6,599,509.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702,173.85 : 12,009,199.92 = 4,782,173.68 : x
  2. Step 2: Convert to fraction form
    8,702,173.85/12,009,199.92 = 4,782,173.68/x
  3. Step 3: Cross multiply
    8,702,173.85x = 12,009,199.92 × 4,782,173.68
  4. Step 4: Simplify right side
    8,702,173.85x = 57,430,079,745,259.11
  5. Step 5: Solve for x
    x = 57,430,079,745,259.11/8,702,173.85
  6. Step 6: Final answer
    x = 6,599,509.59

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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.