Home / 10,220,736.96-15,341,739.12-7,528,102.56

Finding the Fourth Proportional to 10,220,736.96, 15,341,739.12 and 7,528,102.56

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Solution

The fourth proportional to 10,220,736.96, 15,341,739.12 and 7,528,102.56 is: 11,299,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,220,736.96 : 15,341,739.12 = 7,528,102.56 : x
  2. Step 2: Convert to fraction form
    10,220,736.96/15,341,739.12 = 7,528,102.56/x
  3. Step 3: Cross multiply
    10,220,736.96x = 15,341,739.12 × 7,528,102.56
  4. Step 4: Simplify right side
    10,220,736.96x = 115,494,185,544,124.14
  5. Step 5: Solve for x
    x = 115,494,185,544,124.14/10,220,736.96
  6. Step 6: Final answer
    x = 11,299,986.10

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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.