Home / 12,880,806.77-17,775,551.84-7,080,182.93

Finding the Fourth Proportional to 12,880,806.77, 17,775,551.84 and 7,080,182.93

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Solution

The fourth proportional to 12,880,806.77, 17,775,551.84 and 7,080,182.93 is: 9,770,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,880,806.77 : 17,775,551.84 = 7,080,182.93 : x
  2. Step 2: Convert to fraction form
    12,880,806.77/17,775,551.84 = 7,080,182.93/x
  3. Step 3: Cross multiply
    12,880,806.77x = 17,775,551.84 × 7,080,182.93
  4. Step 4: Simplify right side
    12,880,806.77x = 125,854,158,717,936.06
  5. Step 5: Solve for x
    x = 125,854,158,717,936.06/12,880,806.77
  6. Step 6: Final answer
    x = 9,770,673.60

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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.