Home / 31,505,629.80-47,258,444.70-10,230,493.80

Finding the Fourth Proportional to 31,505,629.80, 47,258,444.70 and 10,230,493.80

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Solution

The fourth proportional to 31,505,629.80, 47,258,444.70 and 10,230,493.80 is: 15,345,740.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505,629.80 : 47,258,444.70 = 10,230,493.80 : x
  2. Step 2: Convert to fraction form
    31,505,629.80/47,258,444.70 = 10,230,493.80/x
  3. Step 3: Cross multiply
    31,505,629.80x = 47,258,444.70 × 10,230,493.80
  4. Step 4: Simplify right side
    31,505,629.80x = 483,477,225,500,992.94
  5. Step 5: Solve for x
    x = 483,477,225,500,992.94/31,505,629.80
  6. Step 6: Final answer
    x = 15,345,740.70

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1.5x scale

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.