Home / 7,818,437.67-10,789,436.57-4,380,703.31

Finding the Fourth Proportional to 7,818,437.67, 10,789,436.57 and 4,380,703.31

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Solution

The fourth proportional to 7,818,437.67, 10,789,436.57 and 4,380,703.31 is: 6,045,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818,437.67 : 10,789,436.57 = 4,380,703.31 : x
  2. Step 2: Convert to fraction form
    7,818,437.67/10,789,436.57 = 4,380,703.31/x
  3. Step 3: Cross multiply
    7,818,437.67x = 10,789,436.57 × 4,380,703.31
  4. Step 4: Simplify right side
    7,818,437.67x = 47,265,320,419,383.34
  5. Step 5: Solve for x
    x = 47,265,320,419,383.34/7,818,437.67
  6. Step 6: Final answer
    x = 6,045,366.40

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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.