Home / 20,924,053.65-28,875,755.07-12,662,360.37

Finding the Fourth Proportional to 20,924,053.65, 28,875,755.07 and 12,662,360.37

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Solution

The fourth proportional to 20,924,053.65, 28,875,755.07 and 12,662,360.37 is: 17,474,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,924,053.65 : 28,875,755.07 = 12,662,360.37 : x
  2. Step 2: Convert to fraction form
    20,924,053.65/28,875,755.07 = 12,662,360.37/x
  3. Step 3: Cross multiply
    20,924,053.65x = 28,875,755.07 × 12,662,360.37
  4. Step 4: Simplify right side
    20,924,053.65x = 365,635,216,652,194.56
  5. Step 5: Solve for x
    x = 365,635,216,652,194.56/20,924,053.65
  6. Step 6: Final answer
    x = 17,474,396.82

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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.