Home / 18,514,858.08-25,550,218.80-10,366,387.68

Finding the Fourth Proportional to 18,514,858.08, 25,550,218.80 and 10,366,387.68

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Solution

The fourth proportional to 18,514,858.08, 25,550,218.80 and 10,366,387.68 is: 14,305,455.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,514,858.08 : 25,550,218.80 = 10,366,387.68 : x
  2. Step 2: Convert to fraction form
    18,514,858.08/25,550,218.80 = 10,366,387.68/x
  3. Step 3: Cross multiply
    18,514,858.08x = 25,550,218.80 × 10,366,387.68
  4. Step 4: Simplify right side
    18,514,858.08x = 264,863,473,389,624.38
  5. Step 5: Solve for x
    x = 264,863,473,389,624.38/18,514,858.08
  6. Step 6: Final answer
    x = 14,305,455.23

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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.