Home / 8,430,379.74-11,634,205.72-5,166,563.94

Finding the Fourth Proportional to 8,430,379.74, 11,634,205.72 and 5,166,563.94

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Solution

The fourth proportional to 8,430,379.74, 11,634,205.72 and 5,166,563.94 is: 7,130,030.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,430,379.74 : 11,634,205.72 = 5,166,563.94 : x
  2. Step 2: Convert to fraction form
    8,430,379.74/11,634,205.72 = 5,166,563.94/x
  3. Step 3: Cross multiply
    8,430,379.74x = 11,634,205.72 × 5,166,563.94
  4. Step 4: Simplify right side
    8,430,379.74x = 60,108,867,743,493.74
  5. Step 5: Solve for x
    x = 60,108,867,743,493.74/8,430,379.74
  6. Step 6: Final answer
    x = 7,130,030.86

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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.