Home / 10,891,923.48-15,034,967.10-8,562,739.32

Finding the Fourth Proportional to 10,891,923.48, 15,034,967.10 and 8,562,739.32

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Solution

The fourth proportional to 10,891,923.48, 15,034,967.10 and 8,562,739.32 is: 11,819,813.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891,923.48 : 15,034,967.10 = 8,562,739.32 : x
  2. Step 2: Convert to fraction form
    10,891,923.48/15,034,967.10 = 8,562,739.32/x
  3. Step 3: Cross multiply
    10,891,923.48x = 15,034,967.10 × 8,562,739.32
  4. Step 4: Simplify right side
    10,891,923.48x = 128,740,503,962,076.38
  5. Step 5: Solve for x
    x = 128,740,503,962,076.38/10,891,923.48
  6. Step 6: Final answer
    x = 11,819,813.48

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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.