Home / 14,660,466.60-21,990,699.90-7,942,002.60

Finding the Fourth Proportional to 14,660,466.60, 21,990,699.90 and 7,942,002.60

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Solution

The fourth proportional to 14,660,466.60, 21,990,699.90 and 7,942,002.60 is: 11,913,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,660,466.60 : 21,990,699.90 = 7,942,002.60 : x
  2. Step 2: Convert to fraction form
    14,660,466.60/21,990,699.90 = 7,942,002.60/x
  3. Step 3: Cross multiply
    14,660,466.60x = 21,990,699.90 × 7,942,002.60
  4. Step 4: Simplify right side
    14,660,466.60x = 174,650,195,781,619.72
  5. Step 5: Solve for x
    x = 174,650,195,781,619.72/14,660,466.60
  6. Step 6: Final answer
    x = 11,913,003.90

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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.