Home / 31,056,430.60-46,626,636.30-19,719,022.60

Finding the Fourth Proportional to 31,056,430.60, 46,626,636.30 and 19,719,022.60

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Solution

The fourth proportional to 31,056,430.60, 46,626,636.30 and 19,719,022.60 is: 29,605,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,056,430.60 : 46,626,636.30 = 19,719,022.60 : x
  2. Step 2: Convert to fraction form
    31,056,430.60/46,626,636.30 = 19,719,022.60/x
  3. Step 3: Cross multiply
    31,056,430.60x = 46,626,636.30 × 19,719,022.60
  4. Step 4: Simplify right side
    31,056,430.60x = 919,431,694,961,680.38
  5. Step 5: Solve for x
    x = 919,431,694,961,680.38/31,056,430.60
  6. Step 6: Final answer
    x = 29,605,195.36

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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.