Home / 12,462,323.80-18,693,485.70-4,889,536.60

Finding the Fourth Proportional to 12,462,323.80, 18,693,485.70 and 4,889,536.60

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Solution

The fourth proportional to 12,462,323.80, 18,693,485.70 and 4,889,536.60 is: 7,334,304.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,323.80 : 18,693,485.70 = 4,889,536.60 : x
  2. Step 2: Convert to fraction form
    12,462,323.80/18,693,485.70 = 4,889,536.60/x
  3. Step 3: Cross multiply
    12,462,323.80x = 18,693,485.70 × 4,889,536.60
  4. Step 4: Simplify right side
    12,462,323.80x = 91,402,482,511,726.61
  5. Step 5: Solve for x
    x = 91,402,482,511,726.61/12,462,323.80
  6. Step 6: Final answer
    x = 7,334,304.90

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Similar ratio
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1.5x scale

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.