Home / 18,428,935.96-25,430,783.79-10,169,064.64

Finding the Fourth Proportional to 18,428,935.96, 25,430,783.79 and 10,169,064.64

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Solution

The fourth proportional to 18,428,935.96, 25,430,783.79 and 10,169,064.64 is: 14,032,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428,935.96 : 25,430,783.79 = 10,169,064.64 : x
  2. Step 2: Convert to fraction form
    18,428,935.96/25,430,783.79 = 10,169,064.64/x
  3. Step 3: Cross multiply
    18,428,935.96x = 25,430,783.79 × 10,169,064.64
  4. Step 4: Simplify right side
    18,428,935.96x = 258,607,284,206,374.19
  5. Step 5: Solve for x
    x = 258,607,284,206,374.19/18,428,935.96
  6. Step 6: Final answer
    x = 14,032,675.83

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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.