Home / 17,768,861.39-26,654,918.66-4,989,279.98

Finding the Fourth Proportional to 17,768,861.39, 26,654,918.66 and 4,989,279.98

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Solution

The fourth proportional to 17,768,861.39, 26,654,918.66 and 4,989,279.98 is: 7,484,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768,861.39 : 26,654,918.66 = 4,989,279.98 : x
  2. Step 2: Convert to fraction form
    17,768,861.39/26,654,918.66 = 4,989,279.98/x
  3. Step 3: Cross multiply
    17,768,861.39x = 26,654,918.66 × 4,989,279.98
  4. Step 4: Simplify right side
    17,768,861.39x = 132,988,851,880,645.42
  5. Step 5: Solve for x
    x = 132,988,851,880,645.42/17,768,861.39
  6. Step 6: Final answer
    x = 7,484,376.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.