Home / 10,909,163-15,054,640.12-6,263,247.64

Finding the Fourth Proportional to 10,909,163, 15,054,640.12 and 6,263,247.64

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Solution

The fourth proportional to 10,909,163, 15,054,640.12 and 6,263,247.64 is: 8,643,278.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909,163 : 15,054,640.12 = 6,263,247.64 : x
  2. Step 2: Convert to fraction form
    10,909,163/15,054,640.12 = 6,263,247.64/x
  3. Step 3: Cross multiply
    10,909,163x = 15,054,640.12 × 6,263,247.64
  4. Step 4: Simplify right side
    10,909,163x = 94,290,939,202,639.31
  5. Step 5: Solve for x
    x = 94,290,939,202,639.31/10,909,163
  6. Step 6: Final answer
    x = 8,643,278.98

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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.