Home / 13,132,699.73-18,122,936.45-7,252,582.72

Finding the Fourth Proportional to 13,132,699.73, 18,122,936.45 and 7,252,582.72

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Solution

The fourth proportional to 13,132,699.73, 18,122,936.45 and 7,252,582.72 is: 10,008,459.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132,699.73 : 18,122,936.45 = 7,252,582.72 : x
  2. Step 2: Convert to fraction form
    13,132,699.73/18,122,936.45 = 7,252,582.72/x
  3. Step 3: Cross multiply
    13,132,699.73x = 18,122,936.45 × 7,252,582.72
  4. Step 4: Simplify right side
    13,132,699.73x = 131,438,095,662,405.56
  5. Step 5: Solve for x
    x = 131,438,095,662,405.56/13,132,699.73
  6. Step 6: Final answer
    x = 10,008,459.68

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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.