Home / 11,520,194.40-17,280,291.60-6,985,231.20

Finding the Fourth Proportional to 11,520,194.40, 17,280,291.60 and 6,985,231.20

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Solution

The fourth proportional to 11,520,194.40, 17,280,291.60 and 6,985,231.20 is: 10,477,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,520,194.40 : 17,280,291.60 = 6,985,231.20 : x
  2. Step 2: Convert to fraction form
    11,520,194.40/17,280,291.60 = 6,985,231.20/x
  3. Step 3: Cross multiply
    11,520,194.40x = 17,280,291.60 × 6,985,231.20
  4. Step 4: Simplify right side
    11,520,194.40x = 120,706,832,029,417.94
  5. Step 5: Solve for x
    x = 120,706,832,029,417.94/11,520,194.40
  6. Step 6: Final answer
    x = 10,477,846.80

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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.