Home / 28,135,581.69-38,826,268.56-15,577,195.85

Finding the Fourth Proportional to 28,135,581.69, 38,826,268.56 and 15,577,195.85

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Solution

The fourth proportional to 28,135,581.69, 38,826,268.56 and 15,577,195.85 is: 21,496,068.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,135,581.69 : 38,826,268.56 = 15,577,195.85 : x
  2. Step 2: Convert to fraction form
    28,135,581.69/38,826,268.56 = 15,577,195.85/x
  3. Step 3: Cross multiply
    28,135,581.69x = 38,826,268.56 × 15,577,195.85
  4. Step 4: Simplify right side
    28,135,581.69x = 604,804,389,648,304.62
  5. Step 5: Solve for x
    x = 604,804,389,648,304.62/28,135,581.69
  6. Step 6: Final answer
    x = 21,496,068.44

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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.