Home / 13,749,433.59-20,620,950.83-5,117,599.21

Finding the Fourth Proportional to 13,749,433.59, 20,620,950.83 and 5,117,599.21

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Solution

The fourth proportional to 13,749,433.59, 20,620,950.83 and 5,117,599.21 is: 7,675,207.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749,433.59 : 20,620,950.83 = 5,117,599.21 : x
  2. Step 2: Convert to fraction form
    13,749,433.59/20,620,950.83 = 5,117,599.21/x
  3. Step 3: Cross multiply
    13,749,433.59x = 20,620,950.83 × 5,117,599.21
  4. Step 4: Simplify right side
    13,749,433.59x = 105,529,761,548,364.09
  5. Step 5: Solve for x
    x = 105,529,761,548,364.09/13,749,433.59
  6. Step 6: Final answer
    x = 7,675,207.92

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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.