Home / 14,520,673.96-20,038,163.78-7,994,238.28

Finding the Fourth Proportional to 14,520,673.96, 20,038,163.78 and 7,994,238.28

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Solution

The fourth proportional to 14,520,673.96, 20,038,163.78 and 7,994,238.28 is: 11,031,847.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520,673.96 : 20,038,163.78 = 7,994,238.28 : x
  2. Step 2: Convert to fraction form
    14,520,673.96/20,038,163.78 = 7,994,238.28/x
  3. Step 3: Cross multiply
    14,520,673.96x = 20,038,163.78 × 7,994,238.28
  4. Step 4: Simplify right side
    14,520,673.96x = 160,189,855,950,985.50
  5. Step 5: Solve for x
    x = 160,189,855,950,985.50/14,520,673.96
  6. Step 6: Final answer
    x = 11,031,847.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.