Home / 12,356,033.60-18,534,050.40-10,214,523.20

Finding the Fourth Proportional to 12,356,033.60, 18,534,050.40 and 10,214,523.20

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Solution

The fourth proportional to 12,356,033.60, 18,534,050.40 and 10,214,523.20 is: 15,321,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356,033.60 : 18,534,050.40 = 10,214,523.20 : x
  2. Step 2: Convert to fraction form
    12,356,033.60/18,534,050.40 = 10,214,523.20/x
  3. Step 3: Cross multiply
    12,356,033.60x = 18,534,050.40 × 10,214,523.20
  4. Step 4: Simplify right side
    12,356,033.60x = 189,316,487,800,769.25
  5. Step 5: Solve for x
    x = 189,316,487,800,769.25/12,356,033.60
  6. Step 6: Final answer
    x = 15,321,784.80

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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.