Home / 10,753,107.20-16,129,660.80-9,757,779.20

Finding the Fourth Proportional to 10,753,107.20, 16,129,660.80 and 9,757,779.20

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Solution

The fourth proportional to 10,753,107.20, 16,129,660.80 and 9,757,779.20 is: 14,636,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753,107.20 : 16,129,660.80 = 9,757,779.20 : x
  2. Step 2: Convert to fraction form
    10,753,107.20/16,129,660.80 = 9,757,779.20/x
  3. Step 3: Cross multiply
    10,753,107.20x = 16,129,660.80 × 9,757,779.20
  4. Step 4: Simplify right side
    10,753,107.20x = 157,389,668,657,295.34
  5. Step 5: Solve for x
    x = 157,389,668,657,295.34/10,753,107.20
  6. Step 6: Final answer
    x = 14,636,668.80

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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.