Home / 7,709,991.40-11,553,927.90-5,672,333.80

Finding the Fourth Proportional to 7,709,991.40, 11,553,927.90 and 5,672,333.80

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Solution

The fourth proportional to 7,709,991.40, 11,553,927.90 and 5,672,333.80 is: 8,500,364.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709,991.40 : 11,553,927.90 = 5,672,333.80 : x
  2. Step 2: Convert to fraction form
    7,709,991.40/11,553,927.90 = 5,672,333.80/x
  3. Step 3: Cross multiply
    7,709,991.40x = 11,553,927.90 × 5,672,333.80
  4. Step 4: Simplify right side
    7,709,991.40x = 65,537,735,749,933.02
  5. Step 5: Solve for x
    x = 65,537,735,749,933.02/7,709,991.40
  6. Step 6: Final answer
    x = 8,500,364.31

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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.