Home / 13,785,890.40-20,678,835.60-11,633,554.35

Finding the Fourth Proportional to 13,785,890.40, 20,678,835.60 and 11,633,554.35

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Solution

The fourth proportional to 13,785,890.40, 20,678,835.60 and 11,633,554.35 is: 17,450,331.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,785,890.40 : 20,678,835.60 = 11,633,554.35 : x
  2. Step 2: Convert to fraction form
    13,785,890.40/20,678,835.60 = 11,633,554.35/x
  3. Step 3: Cross multiply
    13,785,890.40x = 20,678,835.60 × 11,633,554.35
  4. Step 4: Simplify right side
    13,785,890.40x = 240,568,357,847,314.88
  5. Step 5: Solve for x
    x = 240,568,357,847,314.88/13,785,890.40
  6. Step 6: Final answer
    x = 17,450,331.53

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1.5x scale

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.