Home / 28,293,405-39,044,899.31-15,416,349

Finding the Fourth Proportional to 28,293,405, 39,044,899.31 and 15,416,349

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Solution

The fourth proportional to 28,293,405, 39,044,899.31 and 15,416,349 is: 21,274,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,405 : 39,044,899.31 = 15,416,349 : x
  2. Step 2: Convert to fraction form
    28,293,405/39,044,899.31 = 15,416,349/x
  3. Step 3: Cross multiply
    28,293,405x = 39,044,899.31 × 15,416,349
  4. Step 4: Simplify right side
    28,293,405x = 601,929,794,355,737.50
  5. Step 5: Solve for x
    x = 601,929,794,355,737.50/28,293,405
  6. Step 6: Final answer
    x = 21,274,561.84

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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.