Home / 10,511,072.65-14,502,535.21-6,157,818.78

Finding the Fourth Proportional to 10,511,072.65, 14,502,535.21 and 6,157,818.78

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Solution

The fourth proportional to 10,511,072.65, 14,502,535.21 and 6,157,818.78 is: 8,496,181.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511,072.65 : 14,502,535.21 = 6,157,818.78 : x
  2. Step 2: Convert to fraction form
    10,511,072.65/14,502,535.21 = 6,157,818.78/x
  3. Step 3: Cross multiply
    10,511,072.65x = 14,502,535.21 × 6,157,818.78
  4. Step 4: Simplify right side
    10,511,072.65x = 89,303,983,673,749.25
  5. Step 5: Solve for x
    x = 89,303,983,673,749.25/10,511,072.65
  6. Step 6: Final answer
    x = 8,496,181.75

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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.