Home / 7,704,038.40-11,544,998.40-5,666,380.80

Finding the Fourth Proportional to 7,704,038.40, 11,544,998.40 and 5,666,380.80

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Solution

The fourth proportional to 7,704,038.40, 11,544,998.40 and 5,666,380.80 is: 8,491,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704,038.40 : 11,544,998.40 = 5,666,380.80 : x
  2. Step 2: Convert to fraction form
    7,704,038.40/11,544,998.40 = 5,666,380.80/x
  3. Step 3: Cross multiply
    7,704,038.40x = 11,544,998.40 × 5,666,380.80
  4. Step 4: Simplify right side
    7,704,038.40x = 65,418,357,269,790.72
  5. Step 5: Solve for x
    x = 65,418,357,269,790.72/7,704,038.40
  6. Step 6: Final answer
    x = 8,491,437.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.