Home / 8,068,509.60-12,102,764.40-7,228,010.40

Finding the Fourth Proportional to 8,068,509.60, 12,102,764.40 and 7,228,010.40

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Solution

The fourth proportional to 8,068,509.60, 12,102,764.40 and 7,228,010.40 is: 10,842,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068,509.60 : 12,102,764.40 = 7,228,010.40 : x
  2. Step 2: Convert to fraction form
    8,068,509.60/12,102,764.40 = 7,228,010.40/x
  3. Step 3: Cross multiply
    8,068,509.60x = 12,102,764.40 × 7,228,010.40
  4. Step 4: Simplify right side
    8,068,509.60x = 87,478,906,951,949.77
  5. Step 5: Solve for x
    x = 87,478,906,951,949.77/8,068,509.60
  6. Step 6: Final answer
    x = 10,842,015.60

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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.