Home / 8,180,975.40-12,271,347.90-3,693,244.20

Finding the Fourth Proportional to 8,180,975.40, 12,271,347.90 and 3,693,244.20

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Solution

The fourth proportional to 8,180,975.40, 12,271,347.90 and 3,693,244.20 is: 5,539,814.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,180,975.40 : 12,271,347.90 = 3,693,244.20 : x
  2. Step 2: Convert to fraction form
    8,180,975.40/12,271,347.90 = 3,693,244.20/x
  3. Step 3: Cross multiply
    8,180,975.40x = 12,271,347.90 × 3,693,244.20
  4. Step 4: Simplify right side
    8,180,975.40x = 45,321,084,457,857.19
  5. Step 5: Solve for x
    x = 45,321,084,457,857.19/8,180,975.40
  6. Step 6: Final answer
    x = 5,539,814.29

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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.