Home / 16,245,130.40-24,367,695.60-12,631,331.60

Finding the Fourth Proportional to 16,245,130.40, 24,367,695.60 and 12,631,331.60

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Solution

The fourth proportional to 16,245,130.40, 24,367,695.60 and 12,631,331.60 is: 18,946,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,245,130.40 : 24,367,695.60 = 12,631,331.60 : x
  2. Step 2: Convert to fraction form
    16,245,130.40/24,367,695.60 = 12,631,331.60/x
  3. Step 3: Cross multiply
    16,245,130.40x = 24,367,695.60 × 12,631,331.60
  4. Step 4: Simplify right side
    16,245,130.40x = 307,796,443,451,461
  5. Step 5: Solve for x
    x = 307,796,443,451,461/16,245,130.40
  6. Step 6: Final answer
    x = 18,946,997.40

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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.