Home / 10,867,984.16-15,010,971.77-7,923,137.63

Finding the Fourth Proportional to 10,867,984.16, 15,010,971.77 and 7,923,137.63

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Solution

The fourth proportional to 10,867,984.16, 15,010,971.77 and 7,923,137.63 is: 10,943,519.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,867,984.16 : 15,010,971.77 = 7,923,137.63 : x
  2. Step 2: Convert to fraction form
    10,867,984.16/15,010,971.77 = 7,923,137.63/x
  3. Step 3: Cross multiply
    10,867,984.16x = 15,010,971.77 × 7,923,137.63
  4. Step 4: Simplify right side
    10,867,984.16x = 118,933,995,238,507.70
  5. Step 5: Solve for x
    x = 118,933,995,238,507.70/10,867,984.16
  6. Step 6: Final answer
    x = 10,943,519.38

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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.