Home / 7,218,133.43-10,828,897.80-2,100,673.71

Finding the Fourth Proportional to 7,218,133.43, 10,828,897.80 and 2,100,673.71

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Solution

The fourth proportional to 7,218,133.43, 10,828,897.80 and 2,100,673.71 is: 3,151,504.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,133.43 : 10,828,897.80 = 2,100,673.71 : x
  2. Step 2: Convert to fraction form
    7,218,133.43/10,828,897.80 = 2,100,673.71/x
  3. Step 3: Cross multiply
    7,218,133.43x = 10,828,897.80 × 2,100,673.71
  4. Step 4: Simplify right side
    7,218,133.43x = 22,747,980,916,736.84
  5. Step 5: Solve for x
    x = 22,747,980,916,736.84/7,218,133.43
  6. Step 6: Final answer
    x = 3,151,504.63

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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.