Home / 21,928,924.62-30,262,155.30-12,139,532.28

Finding the Fourth Proportional to 21,928,924.62, 30,262,155.30 and 12,139,532.28

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Solution

The fourth proportional to 21,928,924.62, 30,262,155.30 and 12,139,532.28 is: 16,752,687.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,928,924.62 : 30,262,155.30 = 12,139,532.28 : x
  2. Step 2: Convert to fraction form
    21,928,924.62/30,262,155.30 = 12,139,532.28/x
  3. Step 3: Cross multiply
    21,928,924.62x = 30,262,155.30 × 12,139,532.28
  4. Step 4: Simplify right side
    21,928,924.62x = 367,368,411,126,723.06
  5. Step 5: Solve for x
    x = 367,368,411,126,723.06/21,928,924.62
  6. Step 6: Final answer
    x = 16,752,687.03

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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.