Home / 31,254,743.94-43,120,752.57-19,653,190.26

Finding the Fourth Proportional to 31,254,743.94, 43,120,752.57 and 19,653,190.26

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Solution

The fourth proportional to 31,254,743.94, 43,120,752.57 and 19,653,190.26 is: 27,114,615.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,254,743.94 : 43,120,752.57 = 19,653,190.26 : x
  2. Step 2: Convert to fraction form
    31,254,743.94/43,120,752.57 = 19,653,190.26/x
  3. Step 3: Cross multiply
    31,254,743.94x = 43,120,752.57 × 19,653,190.26
  4. Step 4: Simplify right side
    31,254,743.94x = 847,460,354,412,594
  5. Step 5: Solve for x
    x = 847,460,354,412,594/31,254,743.94
  6. Step 6: Final answer
    x = 27,114,615.18

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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.