Home / 14,105,107.80-21,157,661.70-9,570,144.60

Finding the Fourth Proportional to 14,105,107.80, 21,157,661.70 and 9,570,144.60

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Solution

The fourth proportional to 14,105,107.80, 21,157,661.70 and 9,570,144.60 is: 14,355,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,105,107.80 : 21,157,661.70 = 9,570,144.60 : x
  2. Step 2: Convert to fraction form
    14,105,107.80/21,157,661.70 = 9,570,144.60/x
  3. Step 3: Cross multiply
    14,105,107.80x = 21,157,661.70 × 9,570,144.60
  4. Step 4: Simplify right side
    14,105,107.80x = 202,481,881,866,881.81
  5. Step 5: Solve for x
    x = 202,481,881,866,881.81/14,105,107.80
  6. Step 6: Final answer
    x = 14,355,216.90

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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.