Home / 12,115,241.76-18,193,431.24-8,097,547.80

Finding the Fourth Proportional to 12,115,241.76, 18,193,431.24 and 8,097,547.80

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Solution

The fourth proportional to 12,115,241.76, 18,193,431.24 and 8,097,547.80 is: 12,160,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,115,241.76 : 18,193,431.24 = 8,097,547.80 : x
  2. Step 2: Convert to fraction form
    12,115,241.76/18,193,431.24 = 8,097,547.80/x
  3. Step 3: Cross multiply
    12,115,241.76x = 18,193,431.24 × 8,097,547.80
  4. Step 4: Simplify right side
    12,115,241.76x = 147,322,179,111,913.25
  5. Step 5: Solve for x
    x = 147,322,179,111,913.25/12,115,241.76
  6. Step 6: Final answer
    x = 12,160,069.28

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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.