Home / 8,328,021.60-12,492,032.40-7,052,563.20

Finding the Fourth Proportional to 8,328,021.60, 12,492,032.40 and 7,052,563.20

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Solution

The fourth proportional to 8,328,021.60, 12,492,032.40 and 7,052,563.20 is: 10,578,844.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328,021.60 : 12,492,032.40 = 7,052,563.20 : x
  2. Step 2: Convert to fraction form
    8,328,021.60/12,492,032.40 = 7,052,563.20/x
  3. Step 3: Cross multiply
    8,328,021.60x = 12,492,032.40 × 7,052,563.20
  4. Step 4: Simplify right side
    8,328,021.60x = 88,100,847,997,447.69
  5. Step 5: Solve for x
    x = 88,100,847,997,447.69/8,328,021.60
  6. Step 6: Final answer
    x = 10,578,844.80

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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.