Home / 28,659,474.64-39,550,077.48-15,606,729.64

Finding the Fourth Proportional to 28,659,474.64, 39,550,077.48 and 15,606,729.64

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Solution

The fourth proportional to 28,659,474.64, 39,550,077.48 and 15,606,729.64 is: 21,537,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659,474.64 : 39,550,077.48 = 15,606,729.64 : x
  2. Step 2: Convert to fraction form
    28,659,474.64/39,550,077.48 = 15,606,729.64/x
  3. Step 3: Cross multiply
    28,659,474.64x = 39,550,077.48 × 15,606,729.64
  4. Step 4: Simplify right side
    28,659,474.64x = 617,247,366,471,412.50
  5. Step 5: Solve for x
    x = 617,247,366,471,412.50/28,659,474.64
  6. Step 6: Final answer
    x = 21,537,288.25

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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.