Home / 20,850,457.28-28,756,570.86-14,675,943.92

Finding the Fourth Proportional to 20,850,457.28, 28,756,570.86 and 14,675,943.92

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Solution

The fourth proportional to 20,850,457.28, 28,756,570.86 and 14,675,943.92 is: 20,240,794.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,850,457.28 : 28,756,570.86 = 14,675,943.92 : x
  2. Step 2: Convert to fraction form
    20,850,457.28/28,756,570.86 = 14,675,943.92/x
  3. Step 3: Cross multiply
    20,850,457.28x = 28,756,570.86 × 14,675,943.92
  4. Step 4: Simplify right side
    20,850,457.28x = 422,029,821,129,083.31
  5. Step 5: Solve for x
    x = 422,029,821,129,083.31/20,850,457.28
  6. Step 6: Final answer
    x = 20,240,794.51

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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.