Home / 13,164,240.83-18,166,767.49-7,363,562.31

Finding the Fourth Proportional to 13,164,240.83, 18,166,767.49 and 7,363,562.31

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Solution

The fourth proportional to 13,164,240.83, 18,166,767.49 and 7,363,562.31 is: 10,161,780.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,164,240.83 : 18,166,767.49 = 7,363,562.31 : x
  2. Step 2: Convert to fraction form
    13,164,240.83/18,166,767.49 = 7,363,562.31/x
  3. Step 3: Cross multiply
    13,164,240.83x = 18,166,767.49 × 7,363,562.31
  4. Step 4: Simplify right side
    13,164,240.83x = 133,772,124,410,905.33
  5. Step 5: Solve for x
    x = 133,772,124,410,905.33/13,164,240.83
  6. Step 6: Final answer
    x = 10,161,780.40

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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.