Home / 8,345,027.60-12,525,835.80-4,090,000.40

Finding the Fourth Proportional to 8,345,027.60, 12,525,835.80 and 4,090,000.40

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Solution

The fourth proportional to 8,345,027.60, 12,525,835.80 and 4,090,000.40 is: 6,139,065.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345,027.60 : 12,525,835.80 = 4,090,000.40 : x
  2. Step 2: Convert to fraction form
    8,345,027.60/12,525,835.80 = 4,090,000.40/x
  3. Step 3: Cross multiply
    8,345,027.60x = 12,525,835.80 × 4,090,000.40
  4. Step 4: Simplify right side
    8,345,027.60x = 51,230,673,432,334.32
  5. Step 5: Solve for x
    x = 51,230,673,432,334.32/8,345,027.60
  6. Step 6: Final answer
    x = 6,139,065.79

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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.