Home / 39,157,996.40-58,611,218.52-20,916,578.96

Finding the Fourth Proportional to 39,157,996.40, 58,611,218.52 and 20,916,578.96

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Solution

The fourth proportional to 39,157,996.40, 58,611,218.52 and 20,916,578.96 is: 31,307,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,157,996.40 : 58,611,218.52 = 20,916,578.96 : x
  2. Step 2: Convert to fraction form
    39,157,996.40/58,611,218.52 = 20,916,578.96/x
  3. Step 3: Cross multiply
    39,157,996.40x = 58,611,218.52 × 20,916,578.96
  4. Step 4: Simplify right side
    39,157,996.40x = 1,225,946,180,115,394.50
  5. Step 5: Solve for x
    x = 1,225,946,180,115,394.50/39,157,996.40
  6. Step 6: Final answer
    x = 31,307,684.07

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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.