Home / 18,810,775.69-28,209,394.17-6,511,397.20

Finding the Fourth Proportional to 18,810,775.69, 28,209,394.17 and 6,511,397.20

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Solution

The fourth proportional to 18,810,775.69, 28,209,394.17 and 6,511,397.20 is: 9,764,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,810,775.69 : 28,209,394.17 = 6,511,397.20 : x
  2. Step 2: Convert to fraction form
    18,810,775.69/28,209,394.17 = 6,511,397.20/x
  3. Step 3: Cross multiply
    18,810,775.69x = 28,209,394.17 × 6,511,397.20
  4. Step 4: Simplify right side
    18,810,775.69x = 183,682,570,141,710.84
  5. Step 5: Solve for x
    x = 183,682,570,141,710.84/18,810,775.69
  6. Step 6: Final answer
    x = 9,764,752.56

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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.