Home / 28,775,043.63-39,736,077.96-18,479,702.25

Finding the Fourth Proportional to 28,775,043.63, 39,736,077.96 and 18,479,702.25

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Solution

The fourth proportional to 28,775,043.63, 39,736,077.96 and 18,479,702.25 is: 25,519,019.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,775,043.63 : 39,736,077.96 = 18,479,702.25 : x
  2. Step 2: Convert to fraction form
    28,775,043.63/39,736,077.96 = 18,479,702.25/x
  3. Step 3: Cross multiply
    28,775,043.63x = 39,736,077.96 × 18,479,702.25
  4. Step 4: Simplify right side
    28,775,043.63x = 734,310,889,283,587.38
  5. Step 5: Solve for x
    x = 734,310,889,283,587.38/28,775,043.63
  6. Step 6: Final answer
    x = 25,519,019.14

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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.