Home / 11,537,567.20-15,926,745.38-7,188,802.10

Finding the Fourth Proportional to 11,537,567.20, 15,926,745.38 and 7,188,802.10

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Solution

The fourth proportional to 11,537,567.20, 15,926,745.38 and 7,188,802.10 is: 9,923,601.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,537,567.20 : 15,926,745.38 = 7,188,802.10 : x
  2. Step 2: Convert to fraction form
    11,537,567.20/15,926,745.38 = 7,188,802.10/x
  3. Step 3: Cross multiply
    11,537,567.20x = 15,926,745.38 × 7,188,802.10
  4. Step 4: Simplify right side
    11,537,567.20x = 114,494,220,633,909.30
  5. Step 5: Solve for x
    x = 114,494,220,633,909.30/11,537,567.20
  6. Step 6: Final answer
    x = 9,923,601.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.