Home / 8,686,039.89-13,020,586.02-4,135,866.51

Finding the Fourth Proportional to 8,686,039.89, 13,020,586.02 and 4,135,866.51

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Solution

The fourth proportional to 8,686,039.89, 13,020,586.02 and 4,135,866.51 is: 6,199,764.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,686,039.89 : 13,020,586.02 = 4,135,866.51 : x
  2. Step 2: Convert to fraction form
    8,686,039.89/13,020,586.02 = 4,135,866.51/x
  3. Step 3: Cross multiply
    8,686,039.89x = 13,020,586.02 × 4,135,866.51
  4. Step 4: Simplify right side
    8,686,039.89x = 53,851,405,660,692.19
  5. Step 5: Solve for x
    x = 53,851,405,660,692.19/8,686,039.89
  6. Step 6: Final answer
    x = 6,199,764.95

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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.