Home / 12,734,043.60-19,101,065.40-8,702,965.20

Finding the Fourth Proportional to 12,734,043.60, 19,101,065.40 and 8,702,965.20

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Solution

The fourth proportional to 12,734,043.60, 19,101,065.40 and 8,702,965.20 is: 13,054,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,734,043.60 : 19,101,065.40 = 8,702,965.20 : x
  2. Step 2: Convert to fraction form
    12,734,043.60/19,101,065.40 = 8,702,965.20/x
  3. Step 3: Cross multiply
    12,734,043.60x = 19,101,065.40 × 8,702,965.20
  4. Step 4: Simplify right side
    12,734,043.60x = 166,235,907,459,124.06
  5. Step 5: Solve for x
    x = 166,235,907,459,124.06/12,734,043.60
  6. Step 6: Final answer
    x = 13,054,447.80

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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.