Home / 31,100,857.74-42,927,720.26-18,052,320.49

Finding the Fourth Proportional to 31,100,857.74, 42,927,720.26 and 18,052,320.49

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Solution

The fourth proportional to 31,100,857.74, 42,927,720.26 and 18,052,320.49 is: 24,917,157.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,100,857.74 : 42,927,720.26 = 18,052,320.49 : x
  2. Step 2: Convert to fraction form
    31,100,857.74/42,927,720.26 = 18,052,320.49/x
  3. Step 3: Cross multiply
    31,100,857.74x = 42,927,720.26 × 18,052,320.49
  4. Step 4: Simplify right side
    31,100,857.74x = 774,944,963,841,005.25
  5. Step 5: Solve for x
    x = 774,944,963,841,005.25/31,100,857.74
  6. Step 6: Final answer
    x = 24,917,157.28

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.