Home / 10,136,078.92-13,976,580.54-6,459,171.40

Finding the Fourth Proportional to 10,136,078.92, 13,976,580.54 and 6,459,171.40

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Solution

The fourth proportional to 10,136,078.92, 13,976,580.54 and 6,459,171.40 is: 8,906,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,136,078.92 : 13,976,580.54 = 6,459,171.40 : x
  2. Step 2: Convert to fraction form
    10,136,078.92/13,976,580.54 = 6,459,171.40/x
  3. Step 3: Cross multiply
    10,136,078.92x = 13,976,580.54 × 6,459,171.40
  4. Step 4: Simplify right side
    10,136,078.92x = 90,277,129,293,764.56
  5. Step 5: Solve for x
    x = 90,277,129,293,764.56/10,136,078.92
  6. Step 6: Final answer
    x = 8,906,514.05

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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.