Home / 30,815,918.82-42,525,929.61-17,064,866.34

Finding the Fourth Proportional to 30,815,918.82, 42,525,929.61 and 17,064,866.34

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Solution

The fourth proportional to 30,815,918.82, 42,525,929.61 and 17,064,866.34 is: 23,549,494.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,815,918.82 : 42,525,929.61 = 17,064,866.34 : x
  2. Step 2: Convert to fraction form
    30,815,918.82/42,525,929.61 = 17,064,866.34/x
  3. Step 3: Cross multiply
    30,815,918.82x = 42,525,929.61 × 17,064,866.34
  4. Step 4: Simplify right side
    30,815,918.82x = 725,699,304,778,898.25
  5. Step 5: Solve for x
    x = 725,699,304,778,898.25/30,815,918.82
  6. Step 6: Final answer
    x = 23,549,494.31

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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.