Home / 13,766,005.89-20,630,407.86-5,241,692.25

Finding the Fourth Proportional to 13,766,005.89, 20,630,407.86 and 5,241,692.25

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Solution

The fourth proportional to 13,766,005.89, 20,630,407.86 and 5,241,692.25 is: 7,855,455.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766,005.89 : 20,630,407.86 = 5,241,692.25 : x
  2. Step 2: Convert to fraction form
    13,766,005.89/20,630,407.86 = 5,241,692.25/x
  3. Step 3: Cross multiply
    13,766,005.89x = 20,630,407.86 × 5,241,692.25
  4. Step 4: Simplify right side
    13,766,005.89x = 108,138,248,994,101.08
  5. Step 5: Solve for x
    x = 108,138,248,994,101.08/13,766,005.89
  6. Step 6: Final answer
    x = 7,855,455.67

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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.