Home / 31,504,039.40-47,256,059.10-8,784,900.20

Finding the Fourth Proportional to 31,504,039.40, 47,256,059.10 and 8,784,900.20

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Solution

The fourth proportional to 31,504,039.40, 47,256,059.10 and 8,784,900.20 is: 13,177,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,504,039.40 : 47,256,059.10 = 8,784,900.20 : x
  2. Step 2: Convert to fraction form
    31,504,039.40/47,256,059.10 = 8,784,900.20/x
  3. Step 3: Cross multiply
    31,504,039.40x = 47,256,059.10 × 8,784,900.20
  4. Step 4: Simplify right side
    31,504,039.40x = 415,139,763,038,801.81
  5. Step 5: Solve for x
    x = 415,139,763,038,801.81/31,504,039.40
  6. Step 6: Final answer
    x = 13,177,350.30

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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.