Home / 20,464,993.03-28,240,948.87-11,297,438.95

Finding the Fourth Proportional to 20,464,993.03, 28,240,948.87 and 11,297,438.95

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Solution

The fourth proportional to 20,464,993.03, 28,240,948.87 and 11,297,438.95 is: 15,590,056.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,464,993.03 : 28,240,948.87 = 11,297,438.95 : x
  2. Step 2: Convert to fraction form
    20,464,993.03/28,240,948.87 = 11,297,438.95/x
  3. Step 3: Cross multiply
    20,464,993.03x = 28,240,948.87 × 11,297,438.95
  4. Step 4: Simplify right side
    20,464,993.03x = 319,050,395,748,896.50
  5. Step 5: Solve for x
    x = 319,050,395,748,896.50/20,464,993.03
  6. Step 6: Final answer
    x = 15,590,056.41

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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.