Home / 13,285,739.80-19,928,609.70-4,310,291.80

Finding the Fourth Proportional to 13,285,739.80, 19,928,609.70 and 4,310,291.80

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Solution

The fourth proportional to 13,285,739.80, 19,928,609.70 and 4,310,291.80 is: 6,465,437.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,285,739.80 : 19,928,609.70 = 4,310,291.80 : x
  2. Step 2: Convert to fraction form
    13,285,739.80/19,928,609.70 = 4,310,291.80/x
  3. Step 3: Cross multiply
    13,285,739.80x = 19,928,609.70 × 4,310,291.80
  4. Step 4: Simplify right side
    13,285,739.80x = 85,898,122,975,310.45
  5. Step 5: Solve for x
    x = 85,898,122,975,310.45/13,285,739.80
  6. Step 6: Final answer
    x = 6,465,437.70

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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.