Home / 9,239,757.80-13,843,890.30-7,885,567.40

Finding the Fourth Proportional to 9,239,757.80, 13,843,890.30 and 7,885,567.40

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Solution

The fourth proportional to 9,239,757.80, 13,843,890.30 and 7,885,567.40 is: 11,814,912.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,239,757.80 : 13,843,890.30 = 7,885,567.40 : x
  2. Step 2: Convert to fraction form
    9,239,757.80/13,843,890.30 = 7,885,567.40/x
  3. Step 3: Cross multiply
    9,239,757.80x = 13,843,890.30 × 7,885,567.40
  4. Step 4: Simplify right side
    9,239,757.80x = 109,166,930,038,856.23
  5. Step 5: Solve for x
    x = 109,166,930,038,856.23/9,239,757.80
  6. Step 6: Final answer
    x = 11,814,912.51

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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.