Home / 8,169,623.40-12,254,435.10-2,490,130.20

Finding the Fourth Proportional to 8,169,623.40, 12,254,435.10 and 2,490,130.20

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Solution

The fourth proportional to 8,169,623.40, 12,254,435.10 and 2,490,130.20 is: 3,735,195.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,169,623.40 : 12,254,435.10 = 2,490,130.20 : x
  2. Step 2: Convert to fraction form
    8,169,623.40/12,254,435.10 = 2,490,130.20/x
  3. Step 3: Cross multiply
    8,169,623.40x = 12,254,435.10 × 2,490,130.20
  4. Step 4: Simplify right side
    8,169,623.40x = 30,515,138,926,450.02
  5. Step 5: Solve for x
    x = 30,515,138,926,450.02/8,169,623.40
  6. Step 6: Final answer
    x = 3,735,195.30

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Double scale
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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.