Home / 13,749,433.09-20,620,950.08-5,117,598.70

Finding the Fourth Proportional to 13,749,433.09, 20,620,950.08 and 5,117,598.70

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Solution

The fourth proportional to 13,749,433.09, 20,620,950.08 and 5,117,598.70 is: 7,675,207.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749,433.09 : 20,620,950.08 = 5,117,598.70 : x
  2. Step 2: Convert to fraction form
    13,749,433.09/20,620,950.08 = 5,117,598.70/x
  3. Step 3: Cross multiply
    13,749,433.09x = 20,620,950.08 × 5,117,598.70
  4. Step 4: Simplify right side
    13,749,433.09x = 105,529,747,348,137.27
  5. Step 5: Solve for x
    x = 105,529,747,348,137.27/13,749,433.09
  6. Step 6: Final answer
    x = 7,675,207.17

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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.