Home / 10,877,090.20-16,297,920.60-8,007,308.80

Finding the Fourth Proportional to 10,877,090.20, 16,297,920.60 and 8,007,308.80

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Solution

The fourth proportional to 10,877,090.20, 16,297,920.60 and 8,007,308.80 is: 11,997,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877,090.20 : 16,297,920.60 = 8,007,308.80 : x
  2. Step 2: Convert to fraction form
    10,877,090.20/16,297,920.60 = 8,007,308.80/x
  3. Step 3: Cross multiply
    10,877,090.20x = 16,297,920.60 × 8,007,308.80
  4. Step 4: Simplify right side
    10,877,090.20x = 130,502,483,042,081.28
  5. Step 5: Solve for x
    x = 130,502,483,042,081.28/10,877,090.20
  6. Step 6: Final answer
    x = 11,997,922.30

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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.