Home / 42,398,537.86-63,596,450.31-17,819,486.38

Finding the Fourth Proportional to 42,398,537.86, 63,596,450.31 and 17,819,486.38

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Solution

The fourth proportional to 42,398,537.86, 63,596,450.31 and 17,819,486.38 is: 26,728,659.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,398,537.86 : 63,596,450.31 = 17,819,486.38 : x
  2. Step 2: Convert to fraction form
    42,398,537.86/63,596,450.31 = 17,819,486.38/x
  3. Step 3: Cross multiply
    42,398,537.86x = 63,596,450.31 × 17,819,486.38
  4. Step 4: Simplify right side
    42,398,537.86x = 1,133,256,080,115,391.75
  5. Step 5: Solve for x
    x = 1,133,256,080,115,391.75/42,398,537.86
  6. Step 6: Final answer
    x = 26,728,659.46

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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.