Home / 13,322,015.95-18,382,425.32-7,440,925.45

Finding the Fourth Proportional to 13,322,015.95, 18,382,425.32 and 7,440,925.45

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Solution

The fourth proportional to 13,322,015.95, 18,382,425.32 and 7,440,925.45 is: 10,267,384.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322,015.95 : 18,382,425.32 = 7,440,925.45 : x
  2. Step 2: Convert to fraction form
    13,322,015.95/18,382,425.32 = 7,440,925.45/x
  3. Step 3: Cross multiply
    13,322,015.95x = 18,382,425.32 × 7,440,925.45
  4. Step 4: Simplify right side
    13,322,015.95x = 136,782,256,368,958.66
  5. Step 5: Solve for x
    x = 136,782,256,368,958.66/13,322,015.95
  6. Step 6: Final answer
    x = 10,267,384.22

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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.