Home / 18,713,283.20-28,074,007.20-10,630,131.20

Finding the Fourth Proportional to 18,713,283.20, 28,074,007.20 and 10,630,131.20

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Solution

The fourth proportional to 18,713,283.20, 28,074,007.20 and 10,630,131.20 is: 15,947,515.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,713,283.20 : 28,074,007.20 = 10,630,131.20 : x
  2. Step 2: Convert to fraction form
    18,713,283.20/28,074,007.20 = 10,630,131.20/x
  3. Step 3: Cross multiply
    18,713,283.20x = 28,074,007.20 × 10,630,131.20
  4. Step 4: Simplify right side
    18,713,283.20x = 298,430,379,845,744.62
  5. Step 5: Solve for x
    x = 298,430,379,845,744.62/18,713,283.20
  6. Step 6: Final answer
    x = 15,947,515.82

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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.