Home / 10,863,995.40-16,297,961.40-5,459,043.60

Finding the Fourth Proportional to 10,863,995.40, 16,297,961.40 and 5,459,043.60

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Solution

The fourth proportional to 10,863,995.40, 16,297,961.40 and 5,459,043.60 is: 8,189,554.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863,995.40 : 16,297,961.40 = 5,459,043.60 : x
  2. Step 2: Convert to fraction form
    10,863,995.40/16,297,961.40 = 5,459,043.60/x
  3. Step 3: Cross multiply
    10,863,995.40x = 16,297,961.40 × 5,459,043.60
  4. Step 4: Simplify right side
    10,863,995.40x = 88,971,281,873,717.03
  5. Step 5: Solve for x
    x = 88,971,281,873,717.03/10,863,995.40
  6. Step 6: Final answer
    x = 8,189,554.45

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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.