Home / 28,162,171.58-38,859,357.51-16,403,375.16

Finding the Fourth Proportional to 28,162,171.58, 38,859,357.51 and 16,403,375.16

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Solution

The fourth proportional to 28,162,171.58, 38,859,357.51 and 16,403,375.16 is: 22,634,072.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,162,171.58 : 38,859,357.51 = 16,403,375.16 : x
  2. Step 2: Convert to fraction form
    28,162,171.58/38,859,357.51 = 16,403,375.16/x
  3. Step 3: Cross multiply
    28,162,171.58x = 38,859,357.51 × 16,403,375.16
  4. Step 4: Simplify right side
    28,162,171.58x = 637,424,619,713,093.38
  5. Step 5: Solve for x
    x = 637,424,619,713,093.38/28,162,171.58
  6. Step 6: Final answer
    x = 22,634,072.02

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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.