Home / 12,603,739.72-17,393,072.18-6,880,603.72

Finding the Fourth Proportional to 12,603,739.72, 17,393,072.18 and 6,880,603.72

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Solution

The fourth proportional to 12,603,739.72, 17,393,072.18 and 6,880,603.72 is: 9,495,184.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603,739.72 : 17,393,072.18 = 6,880,603.72 : x
  2. Step 2: Convert to fraction form
    12,603,739.72/17,393,072.18 = 6,880,603.72/x
  3. Step 3: Cross multiply
    12,603,739.72x = 17,393,072.18 × 6,880,603.72
  4. Step 4: Simplify right side
    12,603,739.72x = 119,674,837,143,936.50
  5. Step 5: Solve for x
    x = 119,674,837,143,936.50/12,603,739.72
  6. Step 6: Final answer
    x = 9,495,184.75

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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.