Home / 14,624,392.72-20,181,631.09-8,429,397.58

Finding the Fourth Proportional to 14,624,392.72, 20,181,631.09 and 8,429,397.58

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Solution

The fourth proportional to 14,624,392.72, 20,181,631.09 and 8,429,397.58 is: 11,632,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,624,392.72 : 20,181,631.09 = 8,429,397.58 : x
  2. Step 2: Convert to fraction form
    14,624,392.72/20,181,631.09 = 8,429,397.58/x
  3. Step 3: Cross multiply
    14,624,392.72x = 20,181,631.09 × 8,429,397.58
  4. Step 4: Simplify right side
    14,624,392.72x = 170,118,992,270,498.75
  5. Step 5: Solve for x
    x = 170,118,992,270,498.75/14,624,392.72
  6. Step 6: Final answer
    x = 11,632,550.87

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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.