Home / 11,135,426.40-16,703,139.60-7,309,051.20

Finding the Fourth Proportional to 11,135,426.40, 16,703,139.60 and 7,309,051.20

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Solution

The fourth proportional to 11,135,426.40, 16,703,139.60 and 7,309,051.20 is: 10,963,576.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,135,426.40 : 16,703,139.60 = 7,309,051.20 : x
  2. Step 2: Convert to fraction form
    11,135,426.40/16,703,139.60 = 7,309,051.20/x
  3. Step 3: Cross multiply
    11,135,426.40x = 16,703,139.60 × 7,309,051.20
  4. Step 4: Simplify right side
    11,135,426.40x = 122,084,102,537,147.52
  5. Step 5: Solve for x
    x = 122,084,102,537,147.52/11,135,426.40
  6. Step 6: Final answer
    x = 10,963,576.80

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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.