Home / 12,307,558.40-16,984,181.76-7,480,217.60

Finding the Fourth Proportional to 12,307,558.40, 16,984,181.76 and 7,480,217.60

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Solution

The fourth proportional to 12,307,558.40, 16,984,181.76 and 7,480,217.60 is: 10,322,549.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307,558.40 : 16,984,181.76 = 7,480,217.60 : x
  2. Step 2: Convert to fraction form
    12,307,558.40/16,984,181.76 = 7,480,217.60/x
  3. Step 3: Cross multiply
    12,307,558.40x = 16,984,181.76 × 7,480,217.60
  4. Step 4: Simplify right side
    12,307,558.40x = 127,045,375,322,750.98
  5. Step 5: Solve for x
    x = 127,045,375,322,750.98/12,307,558.40
  6. Step 6: Final answer
    x = 10,322,549.05

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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.