Home / 13,457,817.28-20,187,009.60-4,822,480.64

Finding the Fourth Proportional to 13,457,817.28, 20,187,009.60 and 4,822,480.64

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Solution

The fourth proportional to 13,457,817.28, 20,187,009.60 and 4,822,480.64 is: 7,233,822.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,457,817.28 : 20,187,009.60 = 4,822,480.64 : x
  2. Step 2: Convert to fraction form
    13,457,817.28/20,187,009.60 = 4,822,480.64/x
  3. Step 3: Cross multiply
    13,457,817.28x = 20,187,009.60 × 4,822,480.64
  4. Step 4: Simplify right side
    13,457,817.28x = 97,351,462,975,494.14
  5. Step 5: Solve for x
    x = 97,351,462,975,494.14/13,457,817.28
  6. Step 6: Final answer
    x = 7,233,822.61

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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.