Home / 8,909,910.30-13,349,119.05-8,343,039.90

Finding the Fourth Proportional to 8,909,910.30, 13,349,119.05 and 8,343,039.90

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Solution

The fourth proportional to 8,909,910.30, 13,349,119.05 and 8,343,039.90 is: 12,499,815.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,909,910.30 : 13,349,119.05 = 8,343,039.90 : x
  2. Step 2: Convert to fraction form
    8,909,910.30/13,349,119.05 = 8,343,039.90/x
  3. Step 3: Cross multiply
    8,909,910.30x = 13,349,119.05 × 8,343,039.90
  4. Step 4: Simplify right side
    8,909,910.30x = 111,372,232,864,000.11
  5. Step 5: Solve for x
    x = 111,372,232,864,000.11/8,909,910.30
  6. Step 6: Final answer
    x = 12,499,815.27

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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.