Home / 7,904,032.21-10,904,224.44-5,291,378.05

Finding the Fourth Proportional to 7,904,032.21, 10,904,224.44 and 5,291,378.05

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Solution

The fourth proportional to 7,904,032.21, 10,904,224.44 and 5,291,378.05 is: 7,299,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904,032.21 : 10,904,224.44 = 5,291,378.05 : x
  2. Step 2: Convert to fraction form
    7,904,032.21/10,904,224.44 = 5,291,378.05/x
  3. Step 3: Cross multiply
    7,904,032.21x = 10,904,224.44 × 5,291,378.05
  4. Step 4: Simplify right side
    7,904,032.21x = 57,698,373,854,089.54
  5. Step 5: Solve for x
    x = 57,698,373,854,089.54/7,904,032.21
  6. Step 6: Final answer
    x = 7,299,865.73

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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.