Home / 13,776,027.85-20,667,031.13-4,191,157.28

Finding the Fourth Proportional to 13,776,027.85, 20,667,031.13 and 4,191,157.28

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Solution

The fourth proportional to 13,776,027.85, 20,667,031.13 and 4,191,157.28 is: 6,287,645.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,776,027.85 : 20,667,031.13 = 4,191,157.28 : x
  2. Step 2: Convert to fraction form
    13,776,027.85/20,667,031.13 = 4,191,157.28/x
  3. Step 3: Cross multiply
    13,776,027.85x = 20,667,031.13 × 4,191,157.28
  4. Step 4: Simplify right side
    13,776,027.85x = 86,618,778,038,631.61
  5. Step 5: Solve for x
    x = 86,618,778,038,631.61/13,776,027.85
  6. Step 6: Final answer
    x = 6,287,645.39

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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.