Home / 13,832,665.56-20,659,315.52-12,533,221.70

Finding the Fourth Proportional to 13,832,665.56, 20,659,315.52 and 12,533,221.70

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Solution

The fourth proportional to 13,832,665.56, 20,659,315.52 and 12,533,221.70 is: 18,718,574.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832,665.56 : 20,659,315.52 = 12,533,221.70 : x
  2. Step 2: Convert to fraction form
    13,832,665.56/20,659,315.52 = 12,533,221.70/x
  3. Step 3: Cross multiply
    13,832,665.56x = 20,659,315.52 × 12,533,221.70
  4. Step 4: Simplify right side
    13,832,665.56x = 258,927,781,631,273
  5. Step 5: Solve for x
    x = 258,927,781,631,273/13,832,665.56
  6. Step 6: Final answer
    x = 18,718,574.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.