Home / 9,153,107.66-12,630,453.69-5,431,297.25

Finding the Fourth Proportional to 9,153,107.66, 12,630,453.69 and 5,431,297.25

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Solution

The fourth proportional to 9,153,107.66, 12,630,453.69 and 5,431,297.25 is: 7,494,694.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153,107.66 : 12,630,453.69 = 5,431,297.25 : x
  2. Step 2: Convert to fraction form
    9,153,107.66/12,630,453.69 = 5,431,297.25/x
  3. Step 3: Cross multiply
    9,153,107.66x = 12,630,453.69 × 5,431,297.25
  4. Step 4: Simplify right side
    9,153,107.66x = 68,599,748,424,325.49
  5. Step 5: Solve for x
    x = 68,599,748,424,325.49/9,153,107.66
  6. Step 6: Final answer
    x = 7,494,694.80

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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.