Home / 6,927,805.20-9,560,205.92-3,872,303.76

Finding the Fourth Proportional to 6,927,805.20, 9,560,205.92 and 3,872,303.76

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Solution

The fourth proportional to 6,927,805.20, 9,560,205.92 and 3,872,303.76 is: 5,343,686.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927,805.20 : 9,560,205.92 = 3,872,303.76 : x
  2. Step 2: Convert to fraction form
    6,927,805.20/9,560,205.92 = 3,872,303.76/x
  3. Step 3: Cross multiply
    6,927,805.20x = 9,560,205.92 × 3,872,303.76
  4. Step 4: Simplify right side
    6,927,805.20x = 37,020,021,330,390.26
  5. Step 5: Solve for x
    x = 37,020,021,330,390.26/6,927,805.20
  6. Step 6: Final answer
    x = 5,343,686.82

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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.