Home / 28,702,824.80-43,054,408.47-7,137,426.49

Finding the Fourth Proportional to 28,702,824.80, 43,054,408.47 and 7,137,426.49

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Solution

The fourth proportional to 28,702,824.80, 43,054,408.47 and 7,137,426.49 is: 10,706,182.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,702,824.80 : 43,054,408.47 = 7,137,426.49 : x
  2. Step 2: Convert to fraction form
    28,702,824.80/43,054,408.47 = 7,137,426.49/x
  3. Step 3: Cross multiply
    28,702,824.80x = 43,054,408.47 × 7,137,426.49
  4. Step 4: Simplify right side
    28,702,824.80x = 307,297,675,525,058.38
  5. Step 5: Solve for x
    x = 307,297,675,525,058.38/28,702,824.80
  6. Step 6: Final answer
    x = 10,706,182.32

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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.