Home / 11,112,606.20-16,668,909.30-6,838,916.60

Finding the Fourth Proportional to 11,112,606.20, 16,668,909.30 and 6,838,916.60

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Solution

The fourth proportional to 11,112,606.20, 16,668,909.30 and 6,838,916.60 is: 10,258,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112,606.20 : 16,668,909.30 = 6,838,916.60 : x
  2. Step 2: Convert to fraction form
    11,112,606.20/16,668,909.30 = 6,838,916.60/x
  3. Step 3: Cross multiply
    11,112,606.20x = 16,668,909.30 × 6,838,916.60
  4. Step 4: Simplify right side
    11,112,606.20x = 113,997,280,515,664.38
  5. Step 5: Solve for x
    x = 113,997,280,515,664.38/11,112,606.20
  6. Step 6: Final answer
    x = 10,258,374.90

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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.