Home / 13,368,725.16-18,448,949.06-7,408,231.52

Finding the Fourth Proportional to 13,368,725.16, 18,448,949.06 and 7,408,231.52

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Solution

The fourth proportional to 13,368,725.16, 18,448,949.06 and 7,408,231.52 is: 10,223,419.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368,725.16 : 18,448,949.06 = 7,408,231.52 : x
  2. Step 2: Convert to fraction form
    13,368,725.16/18,448,949.06 = 7,408,231.52/x
  3. Step 3: Cross multiply
    13,368,725.16x = 18,448,949.06 × 7,408,231.52
  4. Step 4: Simplify right side
    13,368,725.16x = 136,674,085,807,880.45
  5. Step 5: Solve for x
    x = 136,674,085,807,880.45/13,368,725.16
  6. Step 6: Final answer
    x = 10,223,419.52

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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.