Home / 12,533,409.92-17,296,149.48-7,890,266.72

Finding the Fourth Proportional to 12,533,409.92, 17,296,149.48 and 7,890,266.72

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Solution

The fourth proportional to 12,533,409.92, 17,296,149.48 and 7,890,266.72 is: 10,888,595.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,533,409.92 : 17,296,149.48 = 7,890,266.72 : x
  2. Step 2: Convert to fraction form
    12,533,409.92/17,296,149.48 = 7,890,266.72/x
  3. Step 3: Cross multiply
    12,533,409.92x = 17,296,149.48 × 7,890,266.72
  4. Step 4: Simplify right side
    12,533,409.92x = 136,471,232,626,189.30
  5. Step 5: Solve for x
    x = 136,471,232,626,189.30/12,533,409.92
  6. Step 6: Final answer
    x = 10,888,595.64

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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.