Home / 13,485,630.40-20,228,445.60-8,950,667.20

Finding the Fourth Proportional to 13,485,630.40, 20,228,445.60 and 8,950,667.20

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Solution

The fourth proportional to 13,485,630.40, 20,228,445.60 and 8,950,667.20 is: 13,426,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,630.40 : 20,228,445.60 = 8,950,667.20 : x
  2. Step 2: Convert to fraction form
    13,485,630.40/20,228,445.60 = 8,950,667.20/x
  3. Step 3: Cross multiply
    13,485,630.40x = 20,228,445.60 × 8,950,667.20
  4. Step 4: Simplify right side
    13,485,630.40x = 181,058,084,538,904.31
  5. Step 5: Solve for x
    x = 181,058,084,538,904.31/13,485,630.40
  6. Step 6: Final answer
    x = 13,426,000.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.