Home / 28,436,708.97-39,243,771-16,674,342.57

Finding the Fourth Proportional to 28,436,708.97, 39,243,771 and 16,674,342.57

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Solution

The fourth proportional to 28,436,708.97, 39,243,771 and 16,674,342.57 is: 23,011,245.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,436,708.97 : 39,243,771 = 16,674,342.57 : x
  2. Step 2: Convert to fraction form
    28,436,708.97/39,243,771 = 16,674,342.57/x
  3. Step 3: Cross multiply
    28,436,708.97x = 39,243,771 × 16,674,342.57
  4. Step 4: Simplify right side
    28,436,708.97x = 654,364,081,392,631.50
  5. Step 5: Solve for x
    x = 654,364,081,392,631.50/28,436,708.97
  6. Step 6: Final answer
    x = 23,011,245.15

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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.