Home / 12,305,091.60-18,457,637.40-4,216,982.40

Finding the Fourth Proportional to 12,305,091.60, 18,457,637.40 and 4,216,982.40

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Solution

The fourth proportional to 12,305,091.60, 18,457,637.40 and 4,216,982.40 is: 6,325,473.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,305,091.60 : 18,457,637.40 = 4,216,982.40 : x
  2. Step 2: Convert to fraction form
    12,305,091.60/18,457,637.40 = 4,216,982.40/x
  3. Step 3: Cross multiply
    12,305,091.60x = 18,457,637.40 × 4,216,982.40
  4. Step 4: Simplify right side
    12,305,091.60x = 77,835,532,061,381.77
  5. Step 5: Solve for x
    x = 77,835,532,061,381.77/12,305,091.60
  6. Step 6: Final answer
    x = 6,325,473.60

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Similar ratio
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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.