Home / 9,781,828.80-14,672,743.20-7,127,620.80

Finding the Fourth Proportional to 9,781,828.80, 14,672,743.20 and 7,127,620.80

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Solution

The fourth proportional to 9,781,828.80, 14,672,743.20 and 7,127,620.80 is: 10,691,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,781,828.80 : 14,672,743.20 = 7,127,620.80 : x
  2. Step 2: Convert to fraction form
    9,781,828.80/14,672,743.20 = 7,127,620.80/x
  3. Step 3: Cross multiply
    9,781,828.80x = 14,672,743.20 × 7,127,620.80
  4. Step 4: Simplify right side
    9,781,828.80x = 104,581,749,625,378.55
  5. Step 5: Solve for x
    x = 104,581,749,625,378.55/9,781,828.80
  6. Step 6: Final answer
    x = 10,691,431.20

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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.