Home / 12,454,960.40-18,647,011.20-11,037,784.40

Finding the Fourth Proportional to 12,454,960.40, 18,647,011.20 and 11,037,784.40

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Solution

The fourth proportional to 12,454,960.40, 18,647,011.20 and 11,037,784.40 is: 16,525,278.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,454,960.40 : 18,647,011.20 = 11,037,784.40 : x
  2. Step 2: Convert to fraction form
    12,454,960.40/18,647,011.20 = 11,037,784.40/x
  3. Step 3: Cross multiply
    12,454,960.40x = 18,647,011.20 × 11,037,784.40
  4. Step 4: Simplify right side
    12,454,960.40x = 205,821,689,329,985.28
  5. Step 5: Solve for x
    x = 205,821,689,329,985.28/12,454,960.40
  6. Step 6: Final answer
    x = 16,525,278.50

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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.