Home / 13,528,336.44-20,312,745.78-11,712,317.64

Finding the Fourth Proportional to 13,528,336.44, 20,312,745.78 and 11,712,317.64

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Solution

The fourth proportional to 13,528,336.44, 20,312,745.78 and 11,712,317.64 is: 17,586,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,528,336.44 : 20,312,745.78 = 11,712,317.64 : x
  2. Step 2: Convert to fraction form
    13,528,336.44/20,312,745.78 = 11,712,317.64/x
  3. Step 3: Cross multiply
    13,528,336.44x = 20,312,745.78 × 11,712,317.64
  4. Step 4: Simplify right side
    13,528,336.44x = 237,909,330,715,929.59
  5. Step 5: Solve for x
    x = 237,909,330,715,929.59/13,528,336.44
  6. Step 6: Final answer
    x = 17,586,000.45

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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.