Home / 13,439,495.80-20,159,243.70-4,916,999.80

Finding the Fourth Proportional to 13,439,495.80, 20,159,243.70 and 4,916,999.80

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Solution

The fourth proportional to 13,439,495.80, 20,159,243.70 and 4,916,999.80 is: 7,375,499.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439,495.80 : 20,159,243.70 = 4,916,999.80 : x
  2. Step 2: Convert to fraction form
    13,439,495.80/20,159,243.70 = 4,916,999.80/x
  3. Step 3: Cross multiply
    13,439,495.80x = 20,159,243.70 × 4,916,999.80
  4. Step 4: Simplify right side
    13,439,495.80x = 99,122,997,241,051.25
  5. Step 5: Solve for x
    x = 99,122,997,241,051.25/13,439,495.80
  6. Step 6: Final answer
    x = 7,375,499.70

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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.