Home / 13,505,724.73-18,636,164.67-7,704,160.48

Finding the Fourth Proportional to 13,505,724.73, 18,636,164.67 and 7,704,160.48

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Solution

The fourth proportional to 13,505,724.73, 18,636,164.67 and 7,704,160.48 is: 10,630,751.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,505,724.73 : 18,636,164.67 = 7,704,160.48 : x
  2. Step 2: Convert to fraction form
    13,505,724.73/18,636,164.67 = 7,704,160.48/x
  3. Step 3: Cross multiply
    13,505,724.73x = 18,636,164.67 × 7,704,160.48
  4. Step 4: Simplify right side
    13,505,724.73x = 143,576,003,349,386.25
  5. Step 5: Solve for x
    x = 143,576,003,349,386.25/13,505,724.73
  6. Step 6: Final answer
    x = 10,630,751.49

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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.