Home / 7,130,190.58-9,840,920.75-4,231,179.92

Finding the Fourth Proportional to 7,130,190.58, 9,840,920.75 and 4,231,179.92

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Solution

The fourth proportional to 7,130,190.58, 9,840,920.75 and 4,231,179.92 is: 5,839,774.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130,190.58 : 9,840,920.75 = 4,231,179.92 : x
  2. Step 2: Convert to fraction form
    7,130,190.58/9,840,920.75 = 4,231,179.92/x
  3. Step 3: Cross multiply
    7,130,190.58x = 9,840,920.75 × 4,231,179.92
  4. Step 4: Simplify right side
    7,130,190.58x = 41,638,706,271,711.34
  5. Step 5: Solve for x
    x = 41,638,706,271,711.34/7,130,190.58
  6. Step 6: Final answer
    x = 5,839,774.66

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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.