Home / 10,857,779.80-16,295,855.10-4,472,614.60

Finding the Fourth Proportional to 10,857,779.80, 16,295,855.10 and 4,472,614.60

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Solution

The fourth proportional to 10,857,779.80, 16,295,855.10 and 4,472,614.60 is: 6,712,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857,779.80 : 16,295,855.10 = 4,472,614.60 : x
  2. Step 2: Convert to fraction form
    10,857,779.80/16,295,855.10 = 4,472,614.60/x
  3. Step 3: Cross multiply
    10,857,779.80x = 16,295,855.10 × 4,472,614.60
  4. Step 4: Simplify right side
    10,857,779.80x = 72,885,079,439,744.45
  5. Step 5: Solve for x
    x = 72,885,079,439,744.45/10,857,779.80
  6. Step 6: Final answer
    x = 6,712,705.62

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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.