Home / 7,476,430.40-11,219,894.40-3,219,653.60

Finding the Fourth Proportional to 7,476,430.40, 11,219,894.40 and 3,219,653.60

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Solution

The fourth proportional to 7,476,430.40, 11,219,894.40 and 3,219,653.60 is: 4,831,740.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476,430.40 : 11,219,894.40 = 3,219,653.60 : x
  2. Step 2: Convert to fraction form
    7,476,430.40/11,219,894.40 = 3,219,653.60/x
  3. Step 3: Cross multiply
    7,476,430.40x = 11,219,894.40 × 3,219,653.60
  4. Step 4: Simplify right side
    7,476,430.40x = 36,124,173,396,579.84
  5. Step 5: Solve for x
    x = 36,124,173,396,579.84/7,476,430.40
  6. Step 6: Final answer
    x = 4,831,740.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.