Home / 13,196,779.91-18,206,360.61-8,232,332.28

Finding the Fourth Proportional to 13,196,779.91, 18,206,360.61 and 8,232,332.28

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Solution

The fourth proportional to 13,196,779.91, 18,206,360.61 and 8,232,332.28 is: 11,357,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,196,779.91 : 18,206,360.61 = 8,232,332.28 : x
  2. Step 2: Convert to fraction form
    13,196,779.91/18,206,360.61 = 8,232,332.28/x
  3. Step 3: Cross multiply
    13,196,779.91x = 18,206,360.61 × 8,232,332.28
  4. Step 4: Simplify right side
    13,196,779.91x = 149,880,810,177,446.72
  5. Step 5: Solve for x
    x = 149,880,810,177,446.72/13,196,779.91
  6. Step 6: Final answer
    x = 11,357,377.42

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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.