Home / 7,218,968.67-10,828,336.77-1,754,106.71

Finding the Fourth Proportional to 7,218,968.67, 10,828,336.77 and 1,754,106.71

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Solution

The fourth proportional to 7,218,968.67, 10,828,336.77 and 1,754,106.71 is: 2,631,131.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,218,968.67 : 10,828,336.77 = 1,754,106.71 : x
  2. Step 2: Convert to fraction form
    7,218,968.67/10,828,336.77 = 1,754,106.71/x
  3. Step 3: Cross multiply
    7,218,968.67x = 10,828,336.77 × 1,754,106.71
  4. Step 4: Simplify right side
    7,218,968.67x = 18,994,058,132,255.04
  5. Step 5: Solve for x
    x = 18,994,058,132,255.04/7,218,968.67
  6. Step 6: Final answer
    x = 2,631,131.81

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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.