Home / 20,736,054.80-31,119,634.20-10,633,475.60

Finding the Fourth Proportional to 20,736,054.80, 31,119,634.20 and 10,633,475.60

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Solution

The fourth proportional to 20,736,054.80, 31,119,634.20 and 10,633,475.60 is: 15,958,188.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,054.80 : 31,119,634.20 = 10,633,475.60 : x
  2. Step 2: Convert to fraction form
    20,736,054.80/31,119,634.20 = 10,633,475.60/x
  3. Step 3: Cross multiply
    20,736,054.80x = 31,119,634.20 × 10,633,475.60
  4. Step 4: Simplify right side
    20,736,054.80x = 330,909,870,946,625.50
  5. Step 5: Solve for x
    x = 330,909,870,946,625.50/20,736,054.80
  6. Step 6: Final answer
    x = 15,958,188.49

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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.