Home / 15,655,803.12-21,605,183.46-8,686,606.86

Finding the Fourth Proportional to 15,655,803.12, 21,605,183.46 and 8,686,606.86

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Solution

The fourth proportional to 15,655,803.12, 21,605,183.46 and 8,686,606.86 is: 11,987,614.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655,803.12 : 21,605,183.46 = 8,686,606.86 : x
  2. Step 2: Convert to fraction form
    15,655,803.12/21,605,183.46 = 8,686,606.86/x
  3. Step 3: Cross multiply
    15,655,803.12x = 21,605,183.46 × 8,686,606.86
  4. Step 4: Simplify right side
    15,655,803.12x = 187,675,734,855,194.53
  5. Step 5: Solve for x
    x = 187,675,734,855,194.53/15,655,803.12
  6. Step 6: Final answer
    x = 11,987,614.65

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.