Home / 8,586,653.71-12,879,914.95-2,196,895.81

Finding the Fourth Proportional to 8,586,653.71, 12,879,914.95 and 2,196,895.81

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Solution

The fourth proportional to 8,586,653.71, 12,879,914.95 and 2,196,895.81 is: 3,295,326.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,586,653.71 : 12,879,914.95 = 2,196,895.81 : x
  2. Step 2: Convert to fraction form
    8,586,653.71/12,879,914.95 = 2,196,895.81/x
  3. Step 3: Cross multiply
    8,586,653.71x = 12,879,914.95 × 2,196,895.81
  4. Step 4: Simplify right side
    8,586,653.71x = 28,295,831,186,811.36
  5. Step 5: Solve for x
    x = 28,295,831,186,811.36/8,586,653.71
  6. Step 6: Final answer
    x = 3,295,326.93

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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.