Home / 14,914,946.42-20,570,965.67-9,689,638.17

Finding the Fourth Proportional to 14,914,946.42, 20,570,965.67 and 9,689,638.17

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Solution

The fourth proportional to 14,914,946.42, 20,570,965.67 and 9,689,638.17 is: 13,364,125.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,914,946.42 : 20,570,965.67 = 9,689,638.17 : x
  2. Step 2: Convert to fraction form
    14,914,946.42/20,570,965.67 = 9,689,638.17/x
  3. Step 3: Cross multiply
    14,914,946.42x = 20,570,965.67 × 9,689,638.17
  4. Step 4: Simplify right side
    14,914,946.42x = 199,325,214,149,791.62
  5. Step 5: Solve for x
    x = 199,325,214,149,791.62/14,914,946.42
  6. Step 6: Final answer
    x = 13,364,125.39

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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.