Home / 9,072,357.40-13,628,811.30-7,579,365.40

Finding the Fourth Proportional to 9,072,357.40, 13,628,811.30 and 7,579,365.40

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Solution

The fourth proportional to 9,072,357.40, 13,628,811.30 and 7,579,365.40 is: 11,385,986.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,357.40 : 13,628,811.30 = 7,579,365.40 : x
  2. Step 2: Convert to fraction form
    9,072,357.40/13,628,811.30 = 7,579,365.40/x
  3. Step 3: Cross multiply
    9,072,357.40x = 13,628,811.30 × 7,579,365.40
  4. Step 4: Simplify right side
    9,072,357.40x = 103,297,740,810,349.03
  5. Step 5: Solve for x
    x = 103,297,740,810,349.03/9,072,357.40
  6. Step 6: Final answer
    x = 11,385,986.71

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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.