Home / 21,752,134.55-30,017,346.50-11,962,577.68

Finding the Fourth Proportional to 21,752,134.55, 30,017,346.50 and 11,962,577.68

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Solution

The fourth proportional to 21,752,134.55, 30,017,346.50 and 11,962,577.68 is: 16,508,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752,134.55 : 30,017,346.50 = 11,962,577.68 : x
  2. Step 2: Convert to fraction form
    21,752,134.55/30,017,346.50 = 11,962,577.68/x
  3. Step 3: Cross multiply
    21,752,134.55x = 30,017,346.50 × 11,962,577.68
  4. Step 4: Simplify right side
    21,752,134.55x = 359,084,839,178,682.75
  5. Step 5: Solve for x
    x = 359,084,839,178,682.75/21,752,134.55
  6. Step 6: Final answer
    x = 16,508,027.68

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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.