Home / 9,179,811.80-12,668,070.20-5,049,754

Finding the Fourth Proportional to 9,179,811.80, 12,668,070.20 and 5,049,754

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Solution

The fourth proportional to 9,179,811.80, 12,668,070.20 and 5,049,754 is: 6,968,621.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,179,811.80 : 12,668,070.20 = 5,049,754 : x
  2. Step 2: Convert to fraction form
    9,179,811.80/12,668,070.20 = 5,049,754/x
  3. Step 3: Cross multiply
    9,179,811.80x = 12,668,070.20 × 5,049,754
  4. Step 4: Simplify right side
    9,179,811.80x = 63,970,638,164,730.80
  5. Step 5: Solve for x
    x = 63,970,638,164,730.80/9,179,811.80
  6. Step 6: Final answer
    x = 6,968,621.97

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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.