Home / 10,963,489.70-15,129,432.60-6,068,606.78

Finding the Fourth Proportional to 10,963,489.70, 15,129,432.60 and 6,068,606.78

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Solution

The fourth proportional to 10,963,489.70, 15,129,432.60 and 6,068,606.78 is: 8,374,575.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,963,489.70 : 15,129,432.60 = 6,068,606.78 : x
  2. Step 2: Convert to fraction form
    10,963,489.70/15,129,432.60 = 6,068,606.78/x
  3. Step 3: Cross multiply
    10,963,489.70x = 15,129,432.60 × 6,068,606.78
  4. Step 4: Simplify right side
    10,963,489.70x = 91,814,577,253,913.03
  5. Step 5: Solve for x
    x = 91,814,577,253,913.03/10,963,489.70
  6. Step 6: Final answer
    x = 8,374,575.96

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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.