Home / 28,441,475.39-39,248,956.61-15,388,447.91

Finding the Fourth Proportional to 28,441,475.39, 39,248,956.61 and 15,388,447.91

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Solution

The fourth proportional to 28,441,475.39, 39,248,956.61 and 15,388,447.91 is: 21,235,906.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441,475.39 : 39,248,956.61 = 15,388,447.91 : x
  2. Step 2: Convert to fraction form
    28,441,475.39/39,248,956.61 = 15,388,447.91/x
  3. Step 3: Cross multiply
    28,441,475.39x = 39,248,956.61 × 15,388,447.91
  4. Step 4: Simplify right side
    28,441,475.39x = 603,980,524,118,590.38
  5. Step 5: Solve for x
    x = 603,980,524,118,590.38/28,441,475.39
  6. Step 6: Final answer
    x = 21,235,906.92

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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.