Home / 31,190,712.40-46,789,195.20-10,717,735.60

Finding the Fourth Proportional to 31,190,712.40, 46,789,195.20 and 10,717,735.60

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Solution

The fourth proportional to 31,190,712.40, 46,789,195.20 and 10,717,735.60 is: 16,077,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,190,712.40 : 46,789,195.20 = 10,717,735.60 : x
  2. Step 2: Convert to fraction form
    31,190,712.40/46,789,195.20 = 10,717,735.60/x
  3. Step 3: Cross multiply
    31,190,712.40x = 46,789,195.20 × 10,717,735.60
  4. Step 4: Simplify right side
    31,190,712.40x = 501,474,223,090,389.12
  5. Step 5: Solve for x
    x = 501,474,223,090,389.12/31,190,712.40
  6. Step 6: Final answer
    x = 16,077,677.76

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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.