Home / 31,809,270.69-43,900,356.50-19,257,243.88

Finding the Fourth Proportional to 31,809,270.69, 43,900,356.50 and 19,257,243.88

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Solution

The fourth proportional to 31,809,270.69, 43,900,356.50 and 19,257,243.88 is: 26,577,153.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,809,270.69 : 43,900,356.50 = 19,257,243.88 : x
  2. Step 2: Convert to fraction form
    31,809,270.69/43,900,356.50 = 19,257,243.88/x
  3. Step 3: Cross multiply
    31,809,270.69x = 43,900,356.50 × 19,257,243.88
  4. Step 4: Simplify right side
    31,809,270.69x = 845,399,871,539,443.12
  5. Step 5: Solve for x
    x = 845,399,871,539,443.12/31,809,270.69
  6. Step 6: Final answer
    x = 26,577,153.55

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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.