Home / 10,631,669.80-15,936,618.30-5,232,015.40

Finding the Fourth Proportional to 10,631,669.80, 15,936,618.30 and 5,232,015.40

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Solution

The fourth proportional to 10,631,669.80, 15,936,618.30 and 5,232,015.40 is: 7,842,665.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,669.80 : 15,936,618.30 = 5,232,015.40 : x
  2. Step 2: Convert to fraction form
    10,631,669.80/15,936,618.30 = 5,232,015.40/x
  3. Step 3: Cross multiply
    10,631,669.80x = 15,936,618.30 × 5,232,015.40
  4. Step 4: Simplify right side
    10,631,669.80x = 83,380,632,369,521.83
  5. Step 5: Solve for x
    x = 83,380,632,369,521.83/10,631,669.80
  6. Step 6: Final answer
    x = 7,842,665.73

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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.