Home / 10,676,621.52-14,733,744.12-5,781,881.52

Finding the Fourth Proportional to 10,676,621.52, 14,733,744.12 and 5,781,881.52

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Solution

The fourth proportional to 10,676,621.52, 14,733,744.12 and 5,781,881.52 is: 7,978,999.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,676,621.52 : 14,733,744.12 = 5,781,881.52 : x
  2. Step 2: Convert to fraction form
    10,676,621.52/14,733,744.12 = 5,781,881.52/x
  3. Step 3: Cross multiply
    10,676,621.52x = 14,733,744.12 × 5,781,881.52
  4. Step 4: Simplify right side
    10,676,621.52x = 85,188,762,847,836.66
  5. Step 5: Solve for x
    x = 85,188,762,847,836.66/10,676,621.52
  6. Step 6: Final answer
    x = 7,978,999.98

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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.