Home / 12,472,712.60-18,724,815.30-6,720,027.80

Finding the Fourth Proportional to 12,472,712.60, 18,724,815.30 and 6,720,027.80

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Solution

The fourth proportional to 12,472,712.60, 18,724,815.30 and 6,720,027.80 is: 10,088,525.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,472,712.60 : 18,724,815.30 = 6,720,027.80 : x
  2. Step 2: Convert to fraction form
    12,472,712.60/18,724,815.30 = 6,720,027.80/x
  3. Step 3: Cross multiply
    12,472,712.60x = 18,724,815.30 × 6,720,027.80
  4. Step 4: Simplify right side
    12,472,712.60x = 125,831,279,365,865.34
  5. Step 5: Solve for x
    x = 125,831,279,365,865.34/12,472,712.60
  6. Step 6: Final answer
    x = 10,088,525.52

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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.