Home / 12,668,821.90-19,004,727.51-9,494,126.22

Finding the Fourth Proportional to 12,668,821.90, 19,004,727.51 and 9,494,126.22

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Solution

The fourth proportional to 12,668,821.90, 19,004,727.51 and 9,494,126.22 is: 14,242,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668,821.90 : 19,004,727.51 = 9,494,126.22 : x
  2. Step 2: Convert to fraction form
    12,668,821.90/19,004,727.51 = 9,494,126.22/x
  3. Step 3: Cross multiply
    12,668,821.90x = 19,004,727.51 × 9,494,126.22
  4. Step 4: Simplify right side
    12,668,821.90x = 180,433,281,792,311.09
  5. Step 5: Solve for x
    x = 180,433,281,792,311.09/12,668,821.90
  6. Step 6: Final answer
    x = 14,242,309.45

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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.