Home / 14,915,550.42-20,584,536.75-9,115,441.74

Finding the Fourth Proportional to 14,915,550.42, 20,584,536.75 and 9,115,441.74

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Solution

The fourth proportional to 14,915,550.42, 20,584,536.75 and 9,115,441.74 is: 12,579,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915,550.42 : 20,584,536.75 = 9,115,441.74 : x
  2. Step 2: Convert to fraction form
    14,915,550.42/20,584,536.75 = 9,115,441.74/x
  3. Step 3: Cross multiply
    14,915,550.42x = 20,584,536.75 × 9,115,441.74
  4. Step 4: Simplify right side
    14,915,550.42x = 187,637,145,489,513.94
  5. Step 5: Solve for x
    x = 187,637,145,489,513.94/14,915,550.42
  6. Step 6: Final answer
    x = 12,579,967.90

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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.