Home / 7,328,218.30-10,992,327.45-5,415,030.70

Finding the Fourth Proportional to 7,328,218.30, 10,992,327.45 and 5,415,030.70

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Solution

The fourth proportional to 7,328,218.30, 10,992,327.45 and 5,415,030.70 is: 8,122,546.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,218.30 : 10,992,327.45 = 5,415,030.70 : x
  2. Step 2: Convert to fraction form
    7,328,218.30/10,992,327.45 = 5,415,030.70/x
  3. Step 3: Cross multiply
    7,328,218.30x = 10,992,327.45 × 5,415,030.70
  4. Step 4: Simplify right side
    7,328,218.30x = 59,523,790,606,202.71
  5. Step 5: Solve for x
    x = 59,523,790,606,202.71/7,328,218.30
  6. Step 6: Final answer
    x = 8,122,546.05

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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.