Home / 7,106,447.29-10,659,672.75-1,989,631.02

Finding the Fourth Proportional to 7,106,447.29, 10,659,672.75 and 1,989,631.02

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Solution

The fourth proportional to 7,106,447.29, 10,659,672.75 and 1,989,631.02 is: 2,984,447.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,447.29 : 10,659,672.75 = 1,989,631.02 : x
  2. Step 2: Convert to fraction form
    7,106,447.29/10,659,672.75 = 1,989,631.02/x
  3. Step 3: Cross multiply
    7,106,447.29x = 10,659,672.75 × 1,989,631.02
  4. Step 4: Simplify right side
    7,106,447.29x = 21,208,815,533,936.05
  5. Step 5: Solve for x
    x = 21,208,815,533,936.05/7,106,447.29
  6. Step 6: Final answer
    x = 2,984,447.03

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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.