Home / 13,448,332.56-18,558,611.01-7,647,114.72

Finding the Fourth Proportional to 13,448,332.56, 18,558,611.01 and 7,647,114.72

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Solution

The fourth proportional to 13,448,332.56, 18,558,611.01 and 7,647,114.72 is: 10,552,968.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448,332.56 : 18,558,611.01 = 7,647,114.72 : x
  2. Step 2: Convert to fraction form
    13,448,332.56/18,558,611.01 = 7,647,114.72/x
  3. Step 3: Cross multiply
    13,448,332.56x = 18,558,611.01 × 7,647,114.72
  4. Step 4: Simplify right side
    13,448,332.56x = 141,919,827,437,325.06
  5. Step 5: Solve for x
    x = 141,919,827,437,325.06/13,448,332.56
  6. Step 6: Final answer
    x = 10,552,968.32

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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.