Home / 13,246,203.20-19,869,304.80-12,462,382.40

Finding the Fourth Proportional to 13,246,203.20, 19,869,304.80 and 12,462,382.40

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Solution

The fourth proportional to 13,246,203.20, 19,869,304.80 and 12,462,382.40 is: 18,693,573.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246,203.20 : 19,869,304.80 = 12,462,382.40 : x
  2. Step 2: Convert to fraction form
    13,246,203.20/19,869,304.80 = 12,462,382.40/x
  3. Step 3: Cross multiply
    13,246,203.20x = 19,869,304.80 × 12,462,382.40
  4. Step 4: Simplify right side
    13,246,203.20x = 247,618,874,439,755.53
  5. Step 5: Solve for x
    x = 247,618,874,439,755.53/13,246,203.20
  6. Step 6: Final answer
    x = 18,693,573.60

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1.5x scale

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.