Home / 18,365,574.77-25,343,733.32-9,992,979.00

Finding the Fourth Proportional to 18,365,574.77, 25,343,733.32 and 9,992,979.00

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Solution

The fourth proportional to 18,365,574.77, 25,343,733.32 and 9,992,979.00 is: 13,789,897.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,365,574.77 : 25,343,733.32 = 9,992,979.00 : x
  2. Step 2: Convert to fraction form
    18,365,574.77/25,343,733.32 = 9,992,979.00/x
  3. Step 3: Cross multiply
    18,365,574.77x = 25,343,733.32 × 9,992,979.00
  4. Step 4: Simplify right side
    18,365,574.77x = 253,259,394,782,406.47
  5. Step 5: Solve for x
    x = 253,259,394,782,406.47/18,365,574.77
  6. Step 6: Final answer
    x = 13,789,897.56

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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.