Home / 13,753,886.40-20,630,829.60-6,579,432.90

Finding the Fourth Proportional to 13,753,886.40, 20,630,829.60 and 6,579,432.90

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Solution

The fourth proportional to 13,753,886.40, 20,630,829.60 and 6,579,432.90 is: 9,869,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,753,886.40 : 20,630,829.60 = 6,579,432.90 : x
  2. Step 2: Convert to fraction form
    13,753,886.40/20,630,829.60 = 6,579,432.90/x
  3. Step 3: Cross multiply
    13,753,886.40x = 20,630,829.60 × 6,579,432.90
  4. Step 4: Simplify right side
    13,753,886.40x = 135,739,159,024,533.86
  5. Step 5: Solve for x
    x = 135,739,159,024,533.86/13,753,886.40
  6. Step 6: Final answer
    x = 9,869,149.35

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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.