Home / 12,544,069.40-18,816,104.10-12,455,595.80

Finding the Fourth Proportional to 12,544,069.40, 18,816,104.10 and 12,455,595.80

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Solution

The fourth proportional to 12,544,069.40, 18,816,104.10 and 12,455,595.80 is: 18,683,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,544,069.40 : 18,816,104.10 = 12,455,595.80 : x
  2. Step 2: Convert to fraction form
    12,544,069.40/18,816,104.10 = 12,455,595.80/x
  3. Step 3: Cross multiply
    12,544,069.40x = 18,816,104.10 × 12,455,595.80
  4. Step 4: Simplify right side
    12,544,069.40x = 234,365,787,200,322.81
  5. Step 5: Solve for x
    x = 234,365,787,200,322.81/12,544,069.40
  6. Step 6: Final answer
    x = 18,683,393.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.