Home / 14,188,274.08-21,290,889.84-5,213,733.28

Finding the Fourth Proportional to 14,188,274.08, 21,290,889.84 and 5,213,733.28

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Solution

The fourth proportional to 14,188,274.08, 21,290,889.84 and 5,213,733.28 is: 7,823,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188,274.08 : 21,290,889.84 = 5,213,733.28 : x
  2. Step 2: Convert to fraction form
    14,188,274.08/21,290,889.84 = 5,213,733.28/x
  3. Step 3: Cross multiply
    14,188,274.08x = 21,290,889.84 × 5,213,733.28
  4. Step 4: Simplify right side
    14,188,274.08x = 111,005,020,919,621.88
  5. Step 5: Solve for x
    x = 111,005,020,919,621.88/14,188,274.08
  6. Step 6: Final answer
    x = 7,823,715.58

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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.