Home / 20,188,839.84-27,860,457.25-11,021,482.59

Finding the Fourth Proportional to 20,188,839.84, 27,860,457.25 and 11,021,482.59

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Solution

The fourth proportional to 20,188,839.84, 27,860,457.25 and 11,021,482.59 is: 15,209,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,839.84 : 27,860,457.25 = 11,021,482.59 : x
  2. Step 2: Convert to fraction form
    20,188,839.84/27,860,457.25 = 11,021,482.59/x
  3. Step 3: Cross multiply
    20,188,839.84x = 27,860,457.25 × 11,021,482.59
  4. Step 4: Simplify right side
    20,188,839.84x = 307,063,544,578,916.69
  5. Step 5: Solve for x
    x = 307,063,544,578,916.69/20,188,839.84
  6. Step 6: Final answer
    x = 15,209,568.60

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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.