Home / 13,286,918.80-19,898,885.40-13,286,918.80

Finding the Fourth Proportional to 13,286,918.80, 19,898,885.40 and 13,286,918.80

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Solution

The fourth proportional to 13,286,918.80, 19,898,885.40 and 13,286,918.80 is: 19,898,885.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286,918.80 : 19,898,885.40 = 13,286,918.80 : x
  2. Step 2: Convert to fraction form
    13,286,918.80/19,898,885.40 = 13,286,918.80/x
  3. Step 3: Cross multiply
    13,286,918.80x = 19,898,885.40 × 13,286,918.80
  4. Step 4: Simplify right side
    13,286,918.80x = 264,394,874,520,305.50
  5. Step 5: Solve for x
    x = 264,394,874,520,305.50/13,286,918.80
  6. Step 6: Final answer
    x = 19,898,885.40

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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.