Home / 12,558,049.60-18,837,074.40-6,492,769.60

Finding the Fourth Proportional to 12,558,049.60, 18,837,074.40 and 6,492,769.60

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Solution

The fourth proportional to 12,558,049.60, 18,837,074.40 and 6,492,769.60 is: 9,739,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558,049.60 : 18,837,074.40 = 6,492,769.60 : x
  2. Step 2: Convert to fraction form
    12,558,049.60/18,837,074.40 = 6,492,769.60/x
  3. Step 3: Cross multiply
    12,558,049.60x = 18,837,074.40 × 6,492,769.60
  4. Step 4: Simplify right side
    12,558,049.60x = 122,304,784,017,258.22
  5. Step 5: Solve for x
    x = 122,304,784,017,258.22/12,558,049.60
  6. Step 6: Final answer
    x = 9,739,154.40

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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.