Home / 18,593,042.40-27,889,563.60-12,853,479.60

Finding the Fourth Proportional to 18,593,042.40, 27,889,563.60 and 12,853,479.60

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Solution

The fourth proportional to 18,593,042.40, 27,889,563.60 and 12,853,479.60 is: 19,280,219.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,593,042.40 : 27,889,563.60 = 12,853,479.60 : x
  2. Step 2: Convert to fraction form
    18,593,042.40/27,889,563.60 = 12,853,479.60/x
  3. Step 3: Cross multiply
    18,593,042.40x = 27,889,563.60 × 12,853,479.60
  4. Step 4: Simplify right side
    18,593,042.40x = 358,477,936,785,502.56
  5. Step 5: Solve for x
    x = 358,477,936,785,502.56/18,593,042.40
  6. Step 6: Final answer
    x = 19,280,219.40

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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.