Home / 9,344,792.40-12,898,571.52-5,478,150.48

Finding the Fourth Proportional to 9,344,792.40, 12,898,571.52 and 5,478,150.48

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Solution

The fourth proportional to 9,344,792.40, 12,898,571.52 and 5,478,150.48 is: 7,561,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,344,792.40 : 12,898,571.52 = 5,478,150.48 : x
  2. Step 2: Convert to fraction form
    9,344,792.40/12,898,571.52 = 5,478,150.48/x
  3. Step 3: Cross multiply
    9,344,792.40x = 12,898,571.52 × 5,478,150.48
  4. Step 4: Simplify right side
    9,344,792.40x = 70,660,315,763,602.33
  5. Step 5: Solve for x
    x = 70,660,315,763,602.33/9,344,792.40
  6. Step 6: Final answer
    x = 7,561,464.48

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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.