Home / 12,668,829.09-19,004,738.28-9,494,133.40

Finding the Fourth Proportional to 12,668,829.09, 19,004,738.28 and 9,494,133.40

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Solution

The fourth proportional to 12,668,829.09, 19,004,738.28 and 9,494,133.40 is: 14,242,320.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668,829.09 : 19,004,738.28 = 9,494,133.40 : x
  2. Step 2: Convert to fraction form
    12,668,829.09/19,004,738.28 = 9,494,133.40/x
  3. Step 3: Cross multiply
    12,668,829.09x = 19,004,738.28 × 9,494,133.40
  4. Step 4: Simplify right side
    12,668,829.09x = 180,433,520,462,406.56
  5. Step 5: Solve for x
    x = 180,433,520,462,406.56/12,668,829.09
  6. Step 6: Final answer
    x = 14,242,320.20

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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.