Home / 17,384,721.40-26,077,082.10-7,800,412.60

Finding the Fourth Proportional to 17,384,721.40, 26,077,082.10 and 7,800,412.60

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Solution

The fourth proportional to 17,384,721.40, 26,077,082.10 and 7,800,412.60 is: 11,700,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,384,721.40 : 26,077,082.10 = 7,800,412.60 : x
  2. Step 2: Convert to fraction form
    17,384,721.40/26,077,082.10 = 7,800,412.60/x
  3. Step 3: Cross multiply
    17,384,721.40x = 26,077,082.10 × 7,800,412.60
  4. Step 4: Simplify right side
    17,384,721.40x = 203,411,999,784,074.47
  5. Step 5: Solve for x
    x = 203,411,999,784,074.47/17,384,721.40
  6. Step 6: Final answer
    x = 11,700,618.90

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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.