Home / 10,409,724.21-14,339,751.43-8,856,009.66

Finding the Fourth Proportional to 10,409,724.21, 14,339,751.43 and 8,856,009.66

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Solution

The fourth proportional to 10,409,724.21, 14,339,751.43 and 8,856,009.66 is: 12,199,456.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409,724.21 : 14,339,751.43 = 8,856,009.66 : x
  2. Step 2: Convert to fraction form
    10,409,724.21/14,339,751.43 = 8,856,009.66/x
  3. Step 3: Cross multiply
    10,409,724.21x = 14,339,751.43 × 8,856,009.66
  4. Step 4: Simplify right side
    10,409,724.21x = 126,992,977,186,078.81
  5. Step 5: Solve for x
    x = 126,992,977,186,078.81/10,409,724.21
  6. Step 6: Final answer
    x = 12,199,456.45

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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.