Home / 10,364,095.30-15,546,142.95-7,972,610.80

Finding the Fourth Proportional to 10,364,095.30, 15,546,142.95 and 7,972,610.80

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Solution

The fourth proportional to 10,364,095.30, 15,546,142.95 and 7,972,610.80 is: 11,958,916.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364,095.30 : 15,546,142.95 = 7,972,610.80 : x
  2. Step 2: Convert to fraction form
    10,364,095.30/15,546,142.95 = 7,972,610.80/x
  3. Step 3: Cross multiply
    10,364,095.30x = 15,546,142.95 × 7,972,610.80
  4. Step 4: Simplify right side
    10,364,095.30x = 123,943,347,181,513.84
  5. Step 5: Solve for x
    x = 123,943,347,181,513.84/10,364,095.30
  6. Step 6: Final answer
    x = 11,958,916.20

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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.