Home / 12,739,436.82-17,580,623.04-6,938,214.03

Finding the Fourth Proportional to 12,739,436.82, 17,580,623.04 and 6,938,214.03

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Solution

The fourth proportional to 12,739,436.82, 17,580,623.04 and 6,938,214.03 is: 9,574,844.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,739,436.82 : 17,580,623.04 = 6,938,214.03 : x
  2. Step 2: Convert to fraction form
    12,739,436.82/17,580,623.04 = 6,938,214.03/x
  3. Step 3: Cross multiply
    12,739,436.82x = 17,580,623.04 × 6,938,214.03
  4. Step 4: Simplify right side
    12,739,436.82x = 121,978,125,432,269.25
  5. Step 5: Solve for x
    x = 121,978,125,432,269.25/12,739,436.82
  6. Step 6: Final answer
    x = 9,574,844.41

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1.5x scale

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.