Home / 28,361,077.24-42,532,692.54-9,187,385.80

Finding the Fourth Proportional to 28,361,077.24, 42,532,692.54 and 9,187,385.80

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Solution

The fourth proportional to 28,361,077.24, 42,532,692.54 and 9,187,385.80 is: 13,778,188.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,077.24 : 42,532,692.54 = 9,187,385.80 : x
  2. Step 2: Convert to fraction form
    28,361,077.24/42,532,692.54 = 9,187,385.80/x
  3. Step 3: Cross multiply
    28,361,077.24x = 42,532,692.54 × 9,187,385.80
  4. Step 4: Simplify right side
    28,361,077.24x = 390,764,255,477,761.94
  5. Step 5: Solve for x
    x = 390,764,255,477,761.94/28,361,077.24
  6. Step 6: Final answer
    x = 13,778,188.05

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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.