Home / 18,550,579.60-27,813,427.80-8,448,000.40

Finding the Fourth Proportional to 18,550,579.60, 27,813,427.80 and 8,448,000.40

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Solution

The fourth proportional to 18,550,579.60, 27,813,427.80 and 8,448,000.40 is: 12,666,334.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550,579.60 : 27,813,427.80 = 8,448,000.40 : x
  2. Step 2: Convert to fraction form
    18,550,579.60/27,813,427.80 = 8,448,000.40/x
  3. Step 3: Cross multiply
    18,550,579.60x = 27,813,427.80 × 8,448,000.40
  4. Step 4: Simplify right side
    18,550,579.60x = 234,967,849,179,771.12
  5. Step 5: Solve for x
    x = 234,967,849,179,771.12/18,550,579.60
  6. Step 6: Final answer
    x = 12,666,334.65

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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.