Home / 7,889,692.70-10,887,670.07-4,405,085

Finding the Fourth Proportional to 7,889,692.70, 10,887,670.07 and 4,405,085

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Solution

The fourth proportional to 7,889,692.70, 10,887,670.07 and 4,405,085 is: 6,078,958.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,692.70 : 10,887,670.07 = 4,405,085 : x
  2. Step 2: Convert to fraction form
    7,889,692.70/10,887,670.07 = 4,405,085/x
  3. Step 3: Cross multiply
    7,889,692.70x = 10,887,670.07 × 4,405,085
  4. Step 4: Simplify right side
    7,889,692.70x = 47,961,112,088,280.52
  5. Step 5: Solve for x
    x = 47,961,112,088,280.52/7,889,692.70
  6. Step 6: Final answer
    x = 6,078,958.19

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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.