Home / 11,900,819.04-16,429,876.64-9,104,683.66

Finding the Fourth Proportional to 11,900,819.04, 16,429,876.64 and 9,104,683.66

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Solution

The fourth proportional to 11,900,819.04, 16,429,876.64 and 9,104,683.66 is: 12,569,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900,819.04 : 16,429,876.64 = 9,104,683.66 : x
  2. Step 2: Convert to fraction form
    11,900,819.04/16,429,876.64 = 9,104,683.66/x
  3. Step 3: Cross multiply
    11,900,819.04x = 16,429,876.64 × 9,104,683.66
  4. Step 4: Simplify right side
    11,900,819.04x = 149,588,829,380,023.72
  5. Step 5: Solve for x
    x = 149,588,829,380,023.72/11,900,819.04
  6. Step 6: Final answer
    x = 12,569,624.74

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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.