Home / 18,535,664.64-25,578,855.36-10,162,934.40

Finding the Fourth Proportional to 18,535,664.64, 25,578,855.36 and 10,162,934.40

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Solution

The fourth proportional to 18,535,664.64, 25,578,855.36 and 10,162,934.40 is: 14,024,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535,664.64 : 25,578,855.36 = 10,162,934.40 : x
  2. Step 2: Convert to fraction form
    18,535,664.64/25,578,855.36 = 10,162,934.40/x
  3. Step 3: Cross multiply
    18,535,664.64x = 25,578,855.36 × 10,162,934.40
  4. Step 4: Simplify right side
    18,535,664.64x = 259,956,229,050,768.38
  5. Step 5: Solve for x
    x = 259,956,229,050,768.38/18,535,664.64
  6. Step 6: Final answer
    x = 14,024,651.08

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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.