Home / 11,262,428.76-15,554,982.10-7,634,458.20

Finding the Fourth Proportional to 11,262,428.76, 15,554,982.10 and 7,634,458.20

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Solution

The fourth proportional to 11,262,428.76, 15,554,982.10 and 7,634,458.20 is: 10,544,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262,428.76 : 15,554,982.10 = 7,634,458.20 : x
  2. Step 2: Convert to fraction form
    11,262,428.76/15,554,982.10 = 7,634,458.20/x
  3. Step 3: Cross multiply
    11,262,428.76x = 15,554,982.10 × 7,634,458.20
  4. Step 4: Simplify right side
    11,262,428.76x = 118,753,860,644,198.22
  5. Step 5: Solve for x
    x = 118,753,860,644,198.22/11,262,428.76
  6. Step 6: Final answer
    x = 10,544,249.66

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1.5x scale

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.