Home / 11,712,087.40-17,568,131.10-4,139,818.60

Finding the Fourth Proportional to 11,712,087.40, 17,568,131.10 and 4,139,818.60

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Solution

The fourth proportional to 11,712,087.40, 17,568,131.10 and 4,139,818.60 is: 6,209,727.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,712,087.40 : 17,568,131.10 = 4,139,818.60 : x
  2. Step 2: Convert to fraction form
    11,712,087.40/17,568,131.10 = 4,139,818.60/x
  3. Step 3: Cross multiply
    11,712,087.40x = 17,568,131.10 × 4,139,818.60
  4. Step 4: Simplify right side
    11,712,087.40x = 72,728,875,895,018.47
  5. Step 5: Solve for x
    x = 72,728,875,895,018.47/11,712,087.40
  6. Step 6: Final answer
    x = 6,209,727.90

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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.