Home / 17,718,458.40-26,480,583.72-12,936,218.40

Finding the Fourth Proportional to 17,718,458.40, 26,480,583.72 and 12,936,218.40

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Solution

The fourth proportional to 17,718,458.40, 26,480,583.72 and 12,936,218.40 is: 19,333,432.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,718,458.40 : 26,480,583.72 = 12,936,218.40 : x
  2. Step 2: Convert to fraction form
    17,718,458.40/26,480,583.72 = 12,936,218.40/x
  3. Step 3: Cross multiply
    17,718,458.40x = 26,480,583.72 × 12,936,218.40
  4. Step 4: Simplify right side
    17,718,458.40x = 342,558,614,361,404.44
  5. Step 5: Solve for x
    x = 342,558,614,361,404.44/17,718,458.40
  6. Step 6: Final answer
    x = 19,333,432.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.