Home / 20,317,282.30-28,029,867.78-11,610,784

Finding the Fourth Proportional to 20,317,282.30, 28,029,867.78 and 11,610,784

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Solution

The fourth proportional to 20,317,282.30, 28,029,867.78 and 11,610,784 is: 16,018,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,317,282.30 : 28,029,867.78 = 11,610,784 : x
  2. Step 2: Convert to fraction form
    20,317,282.30/28,029,867.78 = 11,610,784/x
  3. Step 3: Cross multiply
    20,317,282.30x = 28,029,867.78 × 11,610,784
  4. Step 4: Simplify right side
    20,317,282.30x = 325,448,740,342,139.56
  5. Step 5: Solve for x
    x = 325,448,740,342,139.56/20,317,282.30
  6. Step 6: Final answer
    x = 16,018,320.54

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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.