Home / 18,525,921.67-25,533,853.32-12,319,875.82

Finding the Fourth Proportional to 18,525,921.67, 25,533,853.32 and 12,319,875.82

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Solution

The fourth proportional to 18,525,921.67, 25,533,853.32 and 12,319,875.82 is: 16,980,202.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,525,921.67 : 25,533,853.32 = 12,319,875.82 : x
  2. Step 2: Convert to fraction form
    18,525,921.67/25,533,853.32 = 12,319,875.82/x
  3. Step 3: Cross multiply
    18,525,921.67x = 25,533,853.32 × 12,319,875.82
  4. Step 4: Simplify right side
    18,525,921.67x = 314,573,902,108,494.75
  5. Step 5: Solve for x
    x = 314,573,902,108,494.75/18,525,921.67
  6. Step 6: Final answer
    x = 16,980,202.54

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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.