Home / 12,043,934.60-18,051,905.10-4,851,912.20

Finding the Fourth Proportional to 12,043,934.60, 18,051,905.10 and 4,851,912.20

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Solution

The fourth proportional to 12,043,934.60, 18,051,905.10 and 4,851,912.20 is: 7,272,229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,043,934.60 : 18,051,905.10 = 4,851,912.20 : x
  2. Step 2: Convert to fraction form
    12,043,934.60/18,051,905.10 = 4,851,912.20/x
  3. Step 3: Cross multiply
    12,043,934.60x = 18,051,905.10 × 4,851,912.20
  4. Step 4: Simplify right side
    12,043,934.60x = 87,586,258,587,932.23
  5. Step 5: Solve for x
    x = 87,586,258,587,932.23/12,043,934.60
  6. Step 6: Final answer
    x = 7,272,229.67

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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.