Home / 13,824,123.40-20,736,185.10-8,449,352.20

Finding the Fourth Proportional to 13,824,123.40, 20,736,185.10 and 8,449,352.20

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Solution

The fourth proportional to 13,824,123.40, 20,736,185.10 and 8,449,352.20 is: 12,674,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,824,123.40 : 20,736,185.10 = 8,449,352.20 : x
  2. Step 2: Convert to fraction form
    13,824,123.40/20,736,185.10 = 8,449,352.20/x
  3. Step 3: Cross multiply
    13,824,123.40x = 20,736,185.10 × 8,449,352.20
  4. Step 4: Simplify right side
    13,824,123.40x = 175,207,331,194,292.22
  5. Step 5: Solve for x
    x = 175,207,331,194,292.22/13,824,123.40
  6. Step 6: Final answer
    x = 12,674,028.30

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1.5x scale

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.