Home / 7,704,043.40-11,545,005.90-5,666,385.80

Finding the Fourth Proportional to 7,704,043.40, 11,545,005.90 and 5,666,385.80

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Solution

The fourth proportional to 7,704,043.40, 11,545,005.90 and 5,666,385.80 is: 8,491,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704,043.40 : 11,545,005.90 = 5,666,385.80 : x
  2. Step 2: Convert to fraction form
    7,704,043.40/11,545,005.90 = 5,666,385.80/x
  3. Step 3: Cross multiply
    7,704,043.40x = 11,545,005.90 × 5,666,385.80
  4. Step 4: Simplify right side
    7,704,043.40x = 65,418,457,492,676.22
  5. Step 5: Solve for x
    x = 65,418,457,492,676.22/7,704,043.40
  6. Step 6: Final answer
    x = 8,491,444.57

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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.