Home / 28,905,741.86-39,892,446.44-15,855,523.03

Finding the Fourth Proportional to 28,905,741.86, 39,892,446.44 and 15,855,523.03

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Solution

The fourth proportional to 28,905,741.86, 39,892,446.44 and 15,855,523.03 is: 21,882,005.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905,741.86 : 39,892,446.44 = 15,855,523.03 : x
  2. Step 2: Convert to fraction form
    28,905,741.86/39,892,446.44 = 15,855,523.03/x
  3. Step 3: Cross multiply
    28,905,741.86x = 39,892,446.44 × 15,855,523.03
  4. Step 4: Simplify right side
    28,905,741.86x = 632,515,602,973,721.75
  5. Step 5: Solve for x
    x = 632,515,602,973,721.75/28,905,741.86
  6. Step 6: Final answer
    x = 21,882,005.52

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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.