Home / 21,740,053.05-30,001,645.89-11,950,909.83

Finding the Fourth Proportional to 21,740,053.05, 30,001,645.89 and 11,950,909.83

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Solution

The fourth proportional to 21,740,053.05, 30,001,645.89 and 11,950,909.83 is: 16,492,460.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,740,053.05 : 30,001,645.89 = 11,950,909.83 : x
  2. Step 2: Convert to fraction form
    21,740,053.05/30,001,645.89 = 11,950,909.83/x
  3. Step 3: Cross multiply
    21,740,053.05x = 30,001,645.89 × 11,950,909.83
  4. Step 4: Simplify right side
    21,740,053.05x = 358,546,964,782,980.12
  5. Step 5: Solve for x
    x = 358,546,964,782,980.12/21,740,053.05
  6. Step 6: Final answer
    x = 16,492,460.44

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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.