Home / 28,441,476.64-39,248,958.34-15,388,449.16

Finding the Fourth Proportional to 28,441,476.64, 39,248,958.34 and 15,388,449.16

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Solution

The fourth proportional to 28,441,476.64, 39,248,958.34 and 15,388,449.16 is: 21,235,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,441,476.64 : 39,248,958.34 = 15,388,449.16 : x
  2. Step 2: Convert to fraction form
    28,441,476.64/39,248,958.34 = 15,388,449.16/x
  3. Step 3: Cross multiply
    28,441,476.64x = 39,248,958.34 × 15,388,449.16
  4. Step 4: Simplify right side
    28,441,476.64x = 603,980,599,724,861
  5. Step 5: Solve for x
    x = 603,980,599,724,861/28,441,476.64
  6. Step 6: Final answer
    x = 21,235,908.65

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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.