Home / 30,587,675.80-45,881,513.70-16,982,786.20

Finding the Fourth Proportional to 30,587,675.80, 45,881,513.70 and 16,982,786.20

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Solution

The fourth proportional to 30,587,675.80, 45,881,513.70 and 16,982,786.20 is: 25,474,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,587,675.80 : 45,881,513.70 = 16,982,786.20 : x
  2. Step 2: Convert to fraction form
    30,587,675.80/45,881,513.70 = 16,982,786.20/x
  3. Step 3: Cross multiply
    30,587,675.80x = 45,881,513.70 × 16,982,786.20
  4. Step 4: Simplify right side
    30,587,675.80x = 779,195,937,699,471
  5. Step 5: Solve for x
    x = 779,195,937,699,471/30,587,675.80
  6. Step 6: Final answer
    x = 25,474,179.30

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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.