Home / 13,368,945.66-20,060,867.48-7,220,802.96

Finding the Fourth Proportional to 13,368,945.66, 20,060,867.48 and 7,220,802.96

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Solution

The fourth proportional to 13,368,945.66, 20,060,867.48 and 7,220,802.96 is: 10,835,227.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368,945.66 : 20,060,867.48 = 7,220,802.96 : x
  2. Step 2: Convert to fraction form
    13,368,945.66/20,060,867.48 = 7,220,802.96/x
  3. Step 3: Cross multiply
    13,368,945.66x = 20,060,867.48 × 7,220,802.96
  4. Step 4: Simplify right side
    13,368,945.66x = 144,855,571,279,751.75
  5. Step 5: Solve for x
    x = 144,855,571,279,751.75/13,368,945.66
  6. Step 6: Final answer
    x = 10,835,227.77

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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.