Home / 8,678,259.50-11,977,218.90-5,371,615.07

Finding the Fourth Proportional to 8,678,259.50, 11,977,218.90 and 5,371,615.07

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Solution

The fourth proportional to 8,678,259.50, 11,977,218.90 and 5,371,615.07 is: 7,413,584.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678,259.50 : 11,977,218.90 = 5,371,615.07 : x
  2. Step 2: Convert to fraction form
    8,678,259.50/11,977,218.90 = 5,371,615.07/x
  3. Step 3: Cross multiply
    8,678,259.50x = 11,977,218.90 × 5,371,615.07
  4. Step 4: Simplify right side
    8,678,259.50x = 64,337,009,480,042.73
  5. Step 5: Solve for x
    x = 64,337,009,480,042.73/8,678,259.50
  6. Step 6: Final answer
    x = 7,413,584.43

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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.