Home / 18,684,980.94-25,786,023.69-10,425,764.64

Finding the Fourth Proportional to 18,684,980.94, 25,786,023.69 and 10,425,764.64

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Solution

The fourth proportional to 18,684,980.94, 25,786,023.69 and 10,425,764.64 is: 14,387,973.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,684,980.94 : 25,786,023.69 = 10,425,764.64 : x
  2. Step 2: Convert to fraction form
    18,684,980.94/25,786,023.69 = 10,425,764.64/x
  3. Step 3: Cross multiply
    18,684,980.94x = 25,786,023.69 × 10,425,764.64
  4. Step 4: Simplify right side
    18,684,980.94x = 268,839,013,993,404.34
  5. Step 5: Solve for x
    x = 268,839,013,993,404.34/18,684,980.94
  6. Step 6: Final answer
    x = 14,387,973.68

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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.