Home / 13,430,054.30-20,166,076.65-7,761,350.30

Finding the Fourth Proportional to 13,430,054.30, 20,166,076.65 and 7,761,350.30

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Solution

The fourth proportional to 13,430,054.30, 20,166,076.65 and 7,761,350.30 is: 11,654,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,430,054.30 : 20,166,076.65 = 7,761,350.30 : x
  2. Step 2: Convert to fraction form
    13,430,054.30/20,166,076.65 = 7,761,350.30/x
  3. Step 3: Cross multiply
    13,430,054.30x = 20,166,076.65 × 7,761,350.30
  4. Step 4: Simplify right side
    13,430,054.30x = 156,515,985,057,300.47
  5. Step 5: Solve for x
    x = 156,515,985,057,300.47/13,430,054.30
  6. Step 6: Final answer
    x = 11,654,158.77

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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.