Home / 7,106,447.42-10,659,672.94-1,989,631.14

Finding the Fourth Proportional to 7,106,447.42, 10,659,672.94 and 1,989,631.14

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Solution

The fourth proportional to 7,106,447.42, 10,659,672.94 and 1,989,631.14 is: 2,984,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,447.42 : 10,659,672.94 = 1,989,631.14 : x
  2. Step 2: Convert to fraction form
    7,106,447.42/10,659,672.94 = 1,989,631.14/x
  3. Step 3: Cross multiply
    7,106,447.42x = 10,659,672.94 × 1,989,631.14
  4. Step 4: Simplify right side
    7,106,447.42x = 21,208,817,223,639.35
  5. Step 5: Solve for x
    x = 21,208,817,223,639.35/7,106,447.42
  6. Step 6: Final answer
    x = 2,984,447.22

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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.