Home / 9,641,555.11-13,305,309.54-5,290,714.21

Finding the Fourth Proportional to 9,641,555.11, 13,305,309.54 and 5,290,714.21

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Solution

The fourth proportional to 9,641,555.11, 13,305,309.54 and 5,290,714.21 is: 7,301,165.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,641,555.11 : 13,305,309.54 = 5,290,714.21 : x
  2. Step 2: Convert to fraction form
    9,641,555.11/13,305,309.54 = 5,290,714.21/x
  3. Step 3: Cross multiply
    9,641,555.11x = 13,305,309.54 × 5,290,714.21
  4. Step 4: Simplify right side
    9,641,555.11x = 70,394,590,251,726.56
  5. Step 5: Solve for x
    x = 70,394,590,251,726.56/9,641,555.11
  6. Step 6: Final answer
    x = 7,301,165.57

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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.