Home / 13,694,670.81-18,899,215.65-7,583,099.31

Finding the Fourth Proportional to 13,694,670.81, 18,899,215.65 and 7,583,099.31

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Solution

The fourth proportional to 13,694,670.81, 18,899,215.65 and 7,583,099.31 is: 10,464,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,694,670.81 : 18,899,215.65 = 7,583,099.31 : x
  2. Step 2: Convert to fraction form
    13,694,670.81/18,899,215.65 = 7,583,099.31/x
  3. Step 3: Cross multiply
    13,694,670.81x = 18,899,215.65 × 7,583,099.31
  4. Step 4: Simplify right side
    13,694,670.81x = 143,314,629,155,056.19
  5. Step 5: Solve for x
    x = 143,314,629,155,056.19/13,694,670.81
  6. Step 6: Final answer
    x = 10,464,992.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.