Home / 10,631,669.30-15,936,617.55-5,232,014.90

Finding the Fourth Proportional to 10,631,669.30, 15,936,617.55 and 5,232,014.90

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Solution

The fourth proportional to 10,631,669.30, 15,936,617.55 and 5,232,014.90 is: 7,842,664.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,669.30 : 15,936,617.55 = 5,232,014.90 : x
  2. Step 2: Convert to fraction form
    10,631,669.30/15,936,617.55 = 5,232,014.90/x
  3. Step 3: Cross multiply
    10,631,669.30x = 15,936,617.55 × 5,232,014.90
  4. Step 4: Simplify right side
    10,631,669.30x = 83,380,620,477,201.50
  5. Step 5: Solve for x
    x = 83,380,620,477,201.50/10,631,669.30
  6. Step 6: Final answer
    x = 7,842,664.98

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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.