Home / 7,106,448.17-10,659,674.07-1,989,631.89

Finding the Fourth Proportional to 7,106,448.17, 10,659,674.07 and 1,989,631.89

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Solution

The fourth proportional to 7,106,448.17, 10,659,674.07 and 1,989,631.89 is: 2,984,448.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106,448.17 : 10,659,674.07 = 1,989,631.89 : x
  2. Step 2: Convert to fraction form
    7,106,448.17/10,659,674.07 = 1,989,631.89/x
  3. Step 3: Cross multiply
    7,106,448.17x = 10,659,674.07 × 1,989,631.89
  4. Step 4: Simplify right side
    7,106,448.17x = 21,208,827,456,729.93
  5. Step 5: Solve for x
    x = 21,208,827,456,729.93/7,106,448.17
  6. Step 6: Final answer
    x = 2,984,448.34

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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.