Home / 12,627,444.52-17,430,612.27-8,276,811.20

Finding the Fourth Proportional to 12,627,444.52, 17,430,612.27 and 8,276,811.20

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Solution

The fourth proportional to 12,627,444.52, 17,430,612.27 and 8,276,811.20 is: 11,425,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,627,444.52 : 17,430,612.27 = 8,276,811.20 : x
  2. Step 2: Convert to fraction form
    12,627,444.52/17,430,612.27 = 8,276,811.20/x
  3. Step 3: Cross multiply
    12,627,444.52x = 17,430,612.27 × 8,276,811.20
  4. Step 4: Simplify right side
    12,627,444.52x = 144,269,886,859,193.44
  5. Step 5: Solve for x
    x = 144,269,886,859,193.44/12,627,444.52
  6. Step 6: Final answer
    x = 11,425,105.58

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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.