Home / 28,968,692.40-43,458,287.40-14,555,487.60

Finding the Fourth Proportional to 28,968,692.40, 43,458,287.40 and 14,555,487.60

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Solution

The fourth proportional to 28,968,692.40, 43,458,287.40 and 14,555,487.60 is: 21,835,868.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,968,692.40 : 43,458,287.40 = 14,555,487.60 : x
  2. Step 2: Convert to fraction form
    28,968,692.40/43,458,287.40 = 14,555,487.60/x
  3. Step 3: Cross multiply
    28,968,692.40x = 43,458,287.40 × 14,555,487.60
  4. Step 4: Simplify right side
    28,968,692.40x = 632,556,563,367,936.25
  5. Step 5: Solve for x
    x = 632,556,563,367,936.25/28,968,692.40
  6. Step 6: Final answer
    x = 21,835,868.69

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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.