Home / 11,278,853.10-15,563,681.40-6,383,222.82

Finding the Fourth Proportional to 11,278,853.10, 15,563,681.40 and 6,383,222.82

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Solution

The fourth proportional to 11,278,853.10, 15,563,681.40 and 6,383,222.82 is: 8,808,204.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,278,853.10 : 15,563,681.40 = 6,383,222.82 : x
  2. Step 2: Convert to fraction form
    11,278,853.10/15,563,681.40 = 6,383,222.82/x
  3. Step 3: Cross multiply
    11,278,853.10x = 15,563,681.40 × 6,383,222.82
  4. Step 4: Simplify right side
    11,278,853.10x = 99,346,446,275,689.56
  5. Step 5: Solve for x
    x = 99,346,446,275,689.56/11,278,853.10
  6. Step 6: Final answer
    x = 8,808,204.65

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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.