Home / 13,753,783.60-18,980,312.44-8,600,161.84

Finding the Fourth Proportional to 13,753,783.60, 18,980,312.44 and 8,600,161.84

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Solution

The fourth proportional to 13,753,783.60, 18,980,312.44 and 8,600,161.84 is: 11,868,280.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,783.60 : 18,980,312.44 = 8,600,161.84 : x
  2. Step 2: Convert to fraction form
    13,753,783.60/18,980,312.44 = 8,600,161.84/x
  3. Step 3: Cross multiply
    13,753,783.60x = 18,980,312.44 × 8,600,161.84
  4. Step 4: Simplify right side
    13,753,783.60x = 163,233,758,757,765.31
  5. Step 5: Solve for x
    x = 163,233,758,757,765.31/13,753,783.60
  6. Step 6: Final answer
    x = 11,868,280.29

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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.