Home / 13,753,856.40-20,630,784.60-6,579,402.90

Finding the Fourth Proportional to 13,753,856.40, 20,630,784.60 and 6,579,402.90

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Solution

The fourth proportional to 13,753,856.40, 20,630,784.60 and 6,579,402.90 is: 9,869,104.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,856.40 : 20,630,784.60 = 6,579,402.90 : x
  2. Step 2: Convert to fraction form
    13,753,856.40/20,630,784.60 = 6,579,402.90/x
  3. Step 3: Cross multiply
    13,753,856.40x = 20,630,784.60 × 6,579,402.90
  4. Step 4: Simplify right side
    13,753,856.40x = 135,738,244,026,515.36
  5. Step 5: Solve for x
    x = 135,738,244,026,515.36/13,753,856.40
  6. Step 6: Final answer
    x = 9,869,104.35

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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.