Home / 18,264,415.84-25,204,830.96-10,529,421.28

Finding the Fourth Proportional to 18,264,415.84, 25,204,830.96 and 10,529,421.28

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Solution

The fourth proportional to 18,264,415.84, 25,204,830.96 and 10,529,421.28 is: 14,530,565.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,264,415.84 : 25,204,830.96 = 10,529,421.28 : x
  2. Step 2: Convert to fraction form
    18,264,415.84/25,204,830.96 = 10,529,421.28/x
  3. Step 3: Cross multiply
    18,264,415.84x = 25,204,830.96 × 10,529,421.28
  4. Step 4: Simplify right side
    18,264,415.84x = 265,392,283,469,026.81
  5. Step 5: Solve for x
    x = 265,392,283,469,026.81/18,264,415.84
  6. Step 6: Final answer
    x = 14,530,565.11

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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.