Home / 12,793,870.20-19,162,811.70-11,114,254.20

Finding the Fourth Proportional to 12,793,870.20, 19,162,811.70 and 11,114,254.20

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Solution

The fourth proportional to 12,793,870.20, 19,162,811.70 and 11,114,254.20 is: 16,647,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,793,870.20 : 19,162,811.70 = 11,114,254.20 : x
  2. Step 2: Convert to fraction form
    12,793,870.20/19,162,811.70 = 11,114,254.20/x
  3. Step 3: Cross multiply
    12,793,870.20x = 19,162,811.70 × 11,114,254.20
  4. Step 4: Simplify right side
    12,793,870.20x = 212,980,360,420,534.12
  5. Step 5: Solve for x
    x = 212,980,360,420,534.12/12,793,870.20
  6. Step 6: Final answer
    x = 16,647,062.78

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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.