Home / 12,794,676.60-19,182,683.70-5,217,742.20

Finding the Fourth Proportional to 12,794,676.60, 19,182,683.70 and 5,217,742.20

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Solution

The fourth proportional to 12,794,676.60, 19,182,683.70 and 5,217,742.20 is: 7,822,807.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,676.60 : 19,182,683.70 = 5,217,742.20 : x
  2. Step 2: Convert to fraction form
    12,794,676.60/19,182,683.70 = 5,217,742.20/x
  3. Step 3: Cross multiply
    12,794,676.60x = 19,182,683.70 × 5,217,742.20
  4. Step 4: Simplify right side
    12,794,676.60x = 100,090,298,250,742.14
  5. Step 5: Solve for x
    x = 100,090,298,250,742.14/12,794,676.60
  6. Step 6: Final answer
    x = 7,822,807.98

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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.