Home / 13,017,821.40-19,523,232.90-5,443,219.80

Finding the Fourth Proportional to 13,017,821.40, 19,523,232.90 and 5,443,219.80

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Solution

The fourth proportional to 13,017,821.40, 19,523,232.90 and 5,443,219.80 is: 8,163,366.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017,821.40 : 19,523,232.90 = 5,443,219.80 : x
  2. Step 2: Convert to fraction form
    13,017,821.40/19,523,232.90 = 5,443,219.80/x
  3. Step 3: Cross multiply
    13,017,821.40x = 19,523,232.90 × 5,443,219.80
  4. Step 4: Simplify right side
    13,017,821.40x = 106,269,247,881,291.41
  5. Step 5: Solve for x
    x = 106,269,247,881,291.41/13,017,821.40
  6. Step 6: Final answer
    x = 8,163,366.56

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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.