Home / 21,241,426.60-29,304,604.74-12,294,651.88

Finding the Fourth Proportional to 21,241,426.60, 29,304,604.74 and 12,294,651.88

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Solution

The fourth proportional to 21,241,426.60, 29,304,604.74 and 12,294,651.88 is: 16,961,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,241,426.60 : 29,304,604.74 = 12,294,651.88 : x
  2. Step 2: Convert to fraction form
    21,241,426.60/29,304,604.74 = 12,294,651.88/x
  3. Step 3: Cross multiply
    21,241,426.60x = 29,304,604.74 × 12,294,651.88
  4. Step 4: Simplify right side
    21,241,426.60x = 360,289,913,759,297.94
  5. Step 5: Solve for x
    x = 360,289,913,759,297.94/21,241,426.60
  6. Step 6: Final answer
    x = 16,961,662.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.