Home / 15,372,504.81-21,214,485.23-8,497,428.93

Finding the Fourth Proportional to 15,372,504.81, 21,214,485.23 and 8,497,428.93

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Solution

The fourth proportional to 15,372,504.81, 21,214,485.23 and 8,497,428.93 is: 11,726,688.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372,504.81 : 21,214,485.23 = 8,497,428.93 : x
  2. Step 2: Convert to fraction form
    15,372,504.81/21,214,485.23 = 8,497,428.93/x
  3. Step 3: Cross multiply
    15,372,504.81x = 21,214,485.23 × 8,497,428.93
  4. Step 4: Simplify right side
    15,372,504.81x = 180,268,580,485,972.56
  5. Step 5: Solve for x
    x = 180,268,580,485,972.56/15,372,504.81
  6. Step 6: Final answer
    x = 11,726,688.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.