Home / 28,978,046.40-43,467,069.60-13,861,502.40

Finding the Fourth Proportional to 28,978,046.40, 43,467,069.60 and 13,861,502.40

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Solution

The fourth proportional to 28,978,046.40, 43,467,069.60 and 13,861,502.40 is: 20,792,253.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,978,046.40 : 43,467,069.60 = 13,861,502.40 : x
  2. Step 2: Convert to fraction form
    28,978,046.40/43,467,069.60 = 13,861,502.40/x
  3. Step 3: Cross multiply
    28,978,046.40x = 43,467,069.60 × 13,861,502.40
  4. Step 4: Simplify right side
    28,978,046.40x = 602,518,889,581,367.12
  5. Step 5: Solve for x
    x = 602,518,889,581,367.12/28,978,046.40
  6. Step 6: Final answer
    x = 20,792,253.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.