Home / 9,048,120.64-12,486,495.21-4,918,149.23

Finding the Fourth Proportional to 9,048,120.64, 12,486,495.21 and 4,918,149.23

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Solution

The fourth proportional to 9,048,120.64, 12,486,495.21 and 4,918,149.23 is: 6,787,094.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048,120.64 : 12,486,495.21 = 4,918,149.23 : x
  2. Step 2: Convert to fraction form
    9,048,120.64/12,486,495.21 = 4,918,149.23/x
  3. Step 3: Cross multiply
    9,048,120.64x = 12,486,495.21 × 4,918,149.23
  4. Step 4: Simplify right side
    9,048,120.64x = 61,410,446,749,249.23
  5. Step 5: Solve for x
    x = 61,410,446,749,249.23/9,048,120.64
  6. Step 6: Final answer
    x = 6,787,094.16

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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.