Home / 12,393,007.80-18,589,511.70-12,141,065.40

Finding the Fourth Proportional to 12,393,007.80, 18,589,511.70 and 12,141,065.40

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Solution

The fourth proportional to 12,393,007.80, 18,589,511.70 and 12,141,065.40 is: 18,211,598.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,393,007.80 : 18,589,511.70 = 12,141,065.40 : x
  2. Step 2: Convert to fraction form
    12,393,007.80/18,589,511.70 = 12,141,065.40/x
  3. Step 3: Cross multiply
    12,393,007.80x = 18,589,511.70 × 12,141,065.40
  4. Step 4: Simplify right side
    12,393,007.80x = 225,696,477,303,765.19
  5. Step 5: Solve for x
    x = 225,696,477,303,765.19/12,393,007.80
  6. Step 6: Final answer
    x = 18,211,598.10

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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.