Home / 11,477,928.30-15,841,263.09-8,720,077.56

Finding the Fourth Proportional to 11,477,928.30, 15,841,263.09 and 8,720,077.56

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Solution

The fourth proportional to 11,477,928.30, 15,841,263.09 and 8,720,077.56 is: 12,035,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,477,928.30 : 15,841,263.09 = 8,720,077.56 : x
  2. Step 2: Convert to fraction form
    11,477,928.30/15,841,263.09 = 8,720,077.56/x
  3. Step 3: Cross multiply
    11,477,928.30x = 15,841,263.09 × 8,720,077.56
  4. Step 4: Simplify right side
    11,477,928.30x = 138,137,042,793,165.27
  5. Step 5: Solve for x
    x = 138,137,042,793,165.27/11,477,928.30
  6. Step 6: Final answer
    x = 12,035,015.31

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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.