Home / 7,676,640.96-11,518,946.63-3,131,024.64

Finding the Fourth Proportional to 7,676,640.96, 11,518,946.63 and 3,131,024.64

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Solution

The fourth proportional to 7,676,640.96, 11,518,946.63 and 3,131,024.64 is: 4,698,162.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676,640.96 : 11,518,946.63 = 3,131,024.64 : x
  2. Step 2: Convert to fraction form
    7,676,640.96/11,518,946.63 = 3,131,024.64/x
  3. Step 3: Cross multiply
    7,676,640.96x = 11,518,946.63 × 3,131,024.64
  4. Step 4: Simplify right side
    7,676,640.96x = 36,066,105,725,374.97
  5. Step 5: Solve for x
    x = 36,066,105,725,374.97/7,676,640.96
  6. Step 6: Final answer
    x = 4,698,162.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.