Home / 28,293,446.34-39,044,956.32-15,416,390.34

Finding the Fourth Proportional to 28,293,446.34, 39,044,956.32 and 15,416,390.34

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Solution

The fourth proportional to 28,293,446.34, 39,044,956.32 and 15,416,390.34 is: 21,274,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,446.34 : 39,044,956.32 = 15,416,390.34 : x
  2. Step 2: Convert to fraction form
    28,293,446.34/39,044,956.32 = 15,416,390.34/x
  3. Step 3: Cross multiply
    28,293,446.34x = 39,044,956.32 × 15,416,390.34
  4. Step 4: Simplify right side
    28,293,446.34x = 601,932,287,437,370
  5. Step 5: Solve for x
    x = 601,932,287,437,370/28,293,446.34
  6. Step 6: Final answer
    x = 21,274,618.87

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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.