Home / 7,400,019.32-10,212,102.44-4,137,015.32

Finding the Fourth Proportional to 7,400,019.32, 10,212,102.44 and 4,137,015.32

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Solution

The fourth proportional to 7,400,019.32, 10,212,102.44 and 4,137,015.32 is: 5,709,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,400,019.32 : 10,212,102.44 = 4,137,015.32 : x
  2. Step 2: Convert to fraction form
    7,400,019.32/10,212,102.44 = 4,137,015.32/x
  3. Step 3: Cross multiply
    7,400,019.32x = 10,212,102.44 × 4,137,015.32
  4. Step 4: Simplify right side
    7,400,019.32x = 42,247,624,243,689.38
  5. Step 5: Solve for x
    x = 42,247,624,243,689.38/7,400,019.32
  6. Step 6: Final answer
    x = 5,709,123.51

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1.5x scale

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.