Home / 8,655,991-11,945,619.30-4,788,445.48

Finding the Fourth Proportional to 8,655,991, 11,945,619.30 and 4,788,445.48

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Solution

The fourth proportional to 8,655,991, 11,945,619.30 and 4,788,445.48 is: 6,608,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,655,991 : 11,945,619.30 = 4,788,445.48 : x
  2. Step 2: Convert to fraction form
    8,655,991/11,945,619.30 = 4,788,445.48/x
  3. Step 3: Cross multiply
    8,655,991x = 11,945,619.30 × 4,788,445.48
  4. Step 4: Simplify right side
    8,655,991x = 57,200,946,742,885.77
  5. Step 5: Solve for x
    x = 57,200,946,742,885.77/8,655,991
  6. Step 6: Final answer
    x = 6,608,249.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.