Home / 14,918,886.37-20,586,620.06-8,394,773.77

Finding the Fourth Proportional to 14,918,886.37, 20,586,620.06 and 8,394,773.77

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Solution

The fourth proportional to 14,918,886.37, 20,586,620.06 and 8,394,773.77 is: 11,583,975.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918,886.37 : 20,586,620.06 = 8,394,773.77 : x
  2. Step 2: Convert to fraction form
    14,918,886.37/20,586,620.06 = 8,394,773.77/x
  3. Step 3: Cross multiply
    14,918,886.37x = 20,586,620.06 × 8,394,773.77
  4. Step 4: Simplify right side
    14,918,886.37x = 172,820,018,030,683.81
  5. Step 5: Solve for x
    x = 172,820,018,030,683.81/14,918,886.37
  6. Step 6: Final answer
    x = 11,583,975.76

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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.