Home / 8,380,323.60-12,579,281.26-7,426,879.08

Finding the Fourth Proportional to 8,380,323.60, 12,579,281.26 and 7,426,879.08

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Solution

The fourth proportional to 8,380,323.60, 12,579,281.26 and 7,426,879.08 is: 11,148,113.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380,323.60 : 12,579,281.26 = 7,426,879.08 : x
  2. Step 2: Convert to fraction form
    8,380,323.60/12,579,281.26 = 7,426,879.08/x
  3. Step 3: Cross multiply
    8,380,323.60x = 12,579,281.26 × 7,426,879.08
  4. Step 4: Simplify right side
    8,380,323.60x = 93,424,800,831,330.05
  5. Step 5: Solve for x
    x = 93,424,800,831,330.05/8,380,323.60
  6. Step 6: Final answer
    x = 11,148,113.76

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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.