Home / 12,577,977.84-17,357,668.20-7,145,767.92

Finding the Fourth Proportional to 12,577,977.84, 17,357,668.20 and 7,145,767.92

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Solution

The fourth proportional to 12,577,977.84, 17,357,668.20 and 7,145,767.92 is: 9,861,193.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,577,977.84 : 17,357,668.20 = 7,145,767.92 : x
  2. Step 2: Convert to fraction form
    12,577,977.84/17,357,668.20 = 7,145,767.92/x
  3. Step 3: Cross multiply
    12,577,977.84x = 17,357,668.20 × 7,145,767.92
  4. Step 4: Simplify right side
    12,577,977.84x = 124,033,868,589,564.14
  5. Step 5: Solve for x
    x = 124,033,868,589,564.14/12,577,977.84
  6. Step 6: Final answer
    x = 9,861,193.12

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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.