Home / 9,210,279.36-13,815,453.60-2,820,506.88

Finding the Fourth Proportional to 9,210,279.36, 13,815,453.60 and 2,820,506.88

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Solution

The fourth proportional to 9,210,279.36, 13,815,453.60 and 2,820,506.88 is: 4,230,770.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210,279.36 : 13,815,453.60 = 2,820,506.88 : x
  2. Step 2: Convert to fraction form
    9,210,279.36/13,815,453.60 = 2,820,506.88/x
  3. Step 3: Cross multiply
    9,210,279.36x = 13,815,453.60 × 2,820,506.88
  4. Step 4: Simplify right side
    9,210,279.36x = 38,966,581,929,120.77
  5. Step 5: Solve for x
    x = 38,966,581,929,120.77/9,210,279.36
  6. Step 6: Final answer
    x = 4,230,770.90

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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.