Home / 8,537,813.93-12,807,617.79-2,780,996.15

Finding the Fourth Proportional to 8,537,813.93, 12,807,617.79 and 2,780,996.15

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Solution

The fourth proportional to 8,537,813.93, 12,807,617.79 and 2,780,996.15 is: 4,171,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537,813.93 : 12,807,617.79 = 2,780,996.15 : x
  2. Step 2: Convert to fraction form
    8,537,813.93/12,807,617.79 = 2,780,996.15/x
  3. Step 3: Cross multiply
    8,537,813.93x = 12,807,617.79 × 2,780,996.15
  4. Step 4: Simplify right side
    8,537,813.93x = 35,617,935,807,109.28
  5. Step 5: Solve for x
    x = 35,617,935,807,109.28/8,537,813.93
  6. Step 6: Final answer
    x = 4,171,786.37

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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.