Home / 13,078,497.09-19,622,155.77-5,790,961.92

Finding the Fourth Proportional to 13,078,497.09, 19,622,155.77 and 5,790,961.92

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Solution

The fourth proportional to 13,078,497.09, 19,622,155.77 and 5,790,961.92 is: 8,688,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078,497.09 : 19,622,155.77 = 5,790,961.92 : x
  2. Step 2: Convert to fraction form
    13,078,497.09/19,622,155.77 = 5,790,961.92/x
  3. Step 3: Cross multiply
    13,078,497.09x = 19,622,155.77 × 5,790,961.92
  4. Step 4: Simplify right side
    13,078,497.09x = 113,631,156,852,378.28
  5. Step 5: Solve for x
    x = 113,631,156,852,378.28/13,078,497.09
  6. Step 6: Final answer
    x = 8,688,395.62

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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.