Home / 7,119,628.36-9,823,384.74-4,218,517.96

Finding the Fourth Proportional to 7,119,628.36, 9,823,384.74 and 4,218,517.96

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Solution

The fourth proportional to 7,119,628.36, 9,823,384.74 and 4,218,517.96 is: 5,820,546.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,628.36 : 9,823,384.74 = 4,218,517.96 : x
  2. Step 2: Convert to fraction form
    7,119,628.36/9,823,384.74 = 4,218,517.96/x
  3. Step 3: Cross multiply
    7,119,628.36x = 9,823,384.74 × 4,218,517.96
  4. Step 4: Simplify right side
    7,119,628.36x = 41,440,124,953,679.93
  5. Step 5: Solve for x
    x = 41,440,124,953,679.93/7,119,628.36
  6. Step 6: Final answer
    x = 5,820,546.08

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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.