Home / 13,122,079.40-19,683,119.10-11,043,554.60

Finding the Fourth Proportional to 13,122,079.40, 19,683,119.10 and 11,043,554.60

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Solution

The fourth proportional to 13,122,079.40, 19,683,119.10 and 11,043,554.60 is: 16,565,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,122,079.40 : 19,683,119.10 = 11,043,554.60 : x
  2. Step 2: Convert to fraction form
    13,122,079.40/19,683,119.10 = 11,043,554.60/x
  3. Step 3: Cross multiply
    13,122,079.40x = 19,683,119.10 × 11,043,554.60
  4. Step 4: Simplify right side
    13,122,079.40x = 217,371,600,479,152.88
  5. Step 5: Solve for x
    x = 217,371,600,479,152.88/13,122,079.40
  6. Step 6: Final answer
    x = 16,565,331.90

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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.