Home / 30,651,744.80-45,973,930.80-12,698,976.80

Finding the Fourth Proportional to 30,651,744.80, 45,973,930.80 and 12,698,976.80

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Solution

The fourth proportional to 30,651,744.80, 45,973,930.80 and 12,698,976.80 is: 19,046,937.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,651,744.80 : 45,973,930.80 = 12,698,976.80 : x
  2. Step 2: Convert to fraction form
    30,651,744.80/45,973,930.80 = 12,698,976.80/x
  3. Step 3: Cross multiply
    30,651,744.80x = 45,973,930.80 × 12,698,976.80
  4. Step 4: Simplify right side
    30,651,744.80x = 583,821,880,634,005.38
  5. Step 5: Solve for x
    x = 583,821,880,634,005.38/30,651,744.80
  6. Step 6: Final answer
    x = 19,046,937.93

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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.