Home / 12,848,699.04-19,247,352.24-7,728,301.50

Finding the Fourth Proportional to 12,848,699.04, 19,247,352.24 and 7,728,301.50

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Solution

The fourth proportional to 12,848,699.04, 19,247,352.24 and 7,728,301.50 is: 11,576,996.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848,699.04 : 19,247,352.24 = 7,728,301.50 : x
  2. Step 2: Convert to fraction form
    12,848,699.04/19,247,352.24 = 7,728,301.50/x
  3. Step 3: Cross multiply
    12,848,699.04x = 19,247,352.24 × 7,728,301.50
  4. Step 4: Simplify right side
    12,848,699.04x = 148,749,341,187,420.34
  5. Step 5: Solve for x
    x = 148,749,341,187,420.34/12,848,699.04
  6. Step 6: Final answer
    x = 11,576,996.30

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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.