Home / 28,147,571.60-38,842,513.89-16,387,178.41

Finding the Fourth Proportional to 28,147,571.60, 38,842,513.89 and 16,387,178.41

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Solution

The fourth proportional to 28,147,571.60, 38,842,513.89 and 16,387,178.41 is: 22,613,645.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,147,571.60 : 38,842,513.89 = 16,387,178.41 : x
  2. Step 2: Convert to fraction form
    28,147,571.60/38,842,513.89 = 16,387,178.41/x
  3. Step 3: Cross multiply
    28,147,571.60x = 38,842,513.89 × 16,387,178.41
  4. Step 4: Simplify right side
    28,147,571.60x = 636,519,205,008,333.12
  5. Step 5: Solve for x
    x = 636,519,205,008,333.12/28,147,571.60
  6. Step 6: Final answer
    x = 22,613,645.47

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1.5x scale

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.