Home / 11,576,854.80-15,975,012.78-6,420,200.40

Finding the Fourth Proportional to 11,576,854.80, 15,975,012.78 and 6,420,200.40

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Solution

The fourth proportional to 11,576,854.80, 15,975,012.78 and 6,420,200.40 is: 8,859,296.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,576,854.80 : 15,975,012.78 = 6,420,200.40 : x
  2. Step 2: Convert to fraction form
    11,576,854.80/15,975,012.78 = 6,420,200.40/x
  3. Step 3: Cross multiply
    11,576,854.80x = 15,975,012.78 × 6,420,200.40
  4. Step 4: Simplify right side
    11,576,854.80x = 102,562,783,440,161.11
  5. Step 5: Solve for x
    x = 102,562,783,440,161.11/11,576,854.80
  6. Step 6: Final answer
    x = 8,859,296.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.