Home / 13,958,769.32-20,938,158.84-4,374,891.44

Finding the Fourth Proportional to 13,958,769.32, 20,938,158.84 and 4,374,891.44

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Solution

The fourth proportional to 13,958,769.32, 20,938,158.84 and 4,374,891.44 is: 6,562,338.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958,769.32 : 20,938,158.84 = 4,374,891.44 : x
  2. Step 2: Convert to fraction form
    13,958,769.32/20,938,158.84 = 4,374,891.44/x
  3. Step 3: Cross multiply
    13,958,769.32x = 20,938,158.84 × 4,374,891.44
  4. Step 4: Simplify right side
    13,958,769.32x = 91,602,171,878,476.34
  5. Step 5: Solve for x
    x = 91,602,171,878,476.34/13,958,769.32
  6. Step 6: Final answer
    x = 6,562,338.68

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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.