Home / 13,208,867.70-19,813,301.55-9,177,789.30

Finding the Fourth Proportional to 13,208,867.70, 19,813,301.55 and 9,177,789.30

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Solution

The fourth proportional to 13,208,867.70, 19,813,301.55 and 9,177,789.30 is: 13,766,683.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,867.70 : 19,813,301.55 = 9,177,789.30 : x
  2. Step 2: Convert to fraction form
    13,208,867.70/19,813,301.55 = 9,177,789.30/x
  3. Step 3: Cross multiply
    13,208,867.70x = 19,813,301.55 × 9,177,789.30
  4. Step 4: Simplify right side
    13,208,867.70x = 181,842,306,963,263.44
  5. Step 5: Solve for x
    x = 181,842,306,963,263.44/13,208,867.70
  6. Step 6: Final answer
    x = 13,766,683.95

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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.