Home / 12,083,853.60-18,125,780.40-8,493,674.40

Finding the Fourth Proportional to 12,083,853.60, 18,125,780.40 and 8,493,674.40

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Solution

The fourth proportional to 12,083,853.60, 18,125,780.40 and 8,493,674.40 is: 12,740,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083,853.60 : 18,125,780.40 = 8,493,674.40 : x
  2. Step 2: Convert to fraction form
    12,083,853.60/18,125,780.40 = 8,493,674.40/x
  3. Step 3: Cross multiply
    12,083,853.60x = 18,125,780.40 × 8,493,674.40
  4. Step 4: Simplify right side
    12,083,853.60x = 153,954,476,963,501.75
  5. Step 5: Solve for x
    x = 153,954,476,963,501.75/12,083,853.60
  6. Step 6: Final answer
    x = 12,740,511.60

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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.