Home / 12,668,829.59-19,004,739.03-9,494,133.90

Finding the Fourth Proportional to 12,668,829.59, 19,004,739.03 and 9,494,133.90

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Solution

The fourth proportional to 12,668,829.59, 19,004,739.03 and 9,494,133.90 is: 14,242,320.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,668,829.59 : 19,004,739.03 = 9,494,133.90 : x
  2. Step 2: Convert to fraction form
    12,668,829.59/19,004,739.03 = 9,494,133.90/x
  3. Step 3: Cross multiply
    12,668,829.59x = 19,004,739.03 × 9,494,133.90
  4. Step 4: Simplify right side
    12,668,829.59x = 180,433,537,085,376.12
  5. Step 5: Solve for x
    x = 180,433,537,085,376.12/12,668,829.59
  6. Step 6: Final answer
    x = 14,242,320.95

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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.