Home / 13,693,281.90-20,507,321.35-7,923,853.23

Finding the Fourth Proportional to 13,693,281.90, 20,507,321.35 and 7,923,853.23

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Solution

The fourth proportional to 13,693,281.90, 20,507,321.35 and 7,923,853.23 is: 11,866,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,693,281.90 : 20,507,321.35 = 7,923,853.23 : x
  2. Step 2: Convert to fraction form
    13,693,281.90/20,507,321.35 = 7,923,853.23/x
  3. Step 3: Cross multiply
    13,693,281.90x = 20,507,321.35 × 7,923,853.23
  4. Step 4: Simplify right side
    13,693,281.90x = 162,497,004,439,931.94
  5. Step 5: Solve for x
    x = 162,497,004,439,931.94/13,693,281.90
  6. Step 6: Final answer
    x = 11,866,914.42

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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.