Home / 18,535,243.30-27,804,377.95-9,308,470.55

Finding the Fourth Proportional to 18,535,243.30, 27,804,377.95 and 9,308,470.55

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Solution

The fourth proportional to 18,535,243.30, 27,804,377.95 and 9,308,470.55 is: 13,963,465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535,243.30 : 27,804,377.95 = 9,308,470.55 : x
  2. Step 2: Convert to fraction form
    18,535,243.30/27,804,377.95 = 9,308,470.55/x
  3. Step 3: Cross multiply
    18,535,243.30x = 27,804,377.95 × 9,308,470.55
  4. Step 4: Simplify right side
    18,535,243.30x = 258,816,233,308,644.38
  5. Step 5: Solve for x
    x = 258,816,233,308,644.38/18,535,243.30
  6. Step 6: Final answer
    x = 13,963,465.66

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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.