Home / 20,773,758.56-28,671,346.71-12,076,975.73

Finding the Fourth Proportional to 20,773,758.56, 28,671,346.71 and 12,076,975.73

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Solution

The fourth proportional to 20,773,758.56, 28,671,346.71 and 12,076,975.73 is: 16,668,296.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,773,758.56 : 28,671,346.71 = 12,076,975.73 : x
  2. Step 2: Convert to fraction form
    20,773,758.56/28,671,346.71 = 12,076,975.73/x
  3. Step 3: Cross multiply
    20,773,758.56x = 28,671,346.71 × 12,076,975.73
  4. Step 4: Simplify right side
    20,773,758.56x = 346,263,158,434,763.75
  5. Step 5: Solve for x
    x = 346,263,158,434,763.75/20,773,758.56
  6. Step 6: Final answer
    x = 16,668,296.09

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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.