Home / 8,229,139.80-12,343,709.70-2,910,355.80

Finding the Fourth Proportional to 8,229,139.80, 12,343,709.70 and 2,910,355.80

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Solution

The fourth proportional to 8,229,139.80, 12,343,709.70 and 2,910,355.80 is: 4,365,533.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,229,139.80 : 12,343,709.70 = 2,910,355.80 : x
  2. Step 2: Convert to fraction form
    8,229,139.80/12,343,709.70 = 2,910,355.80/x
  3. Step 3: Cross multiply
    8,229,139.80x = 12,343,709.70 × 2,910,355.80
  4. Step 4: Simplify right side
    8,229,139.80x = 35,924,587,118,911.26
  5. Step 5: Solve for x
    x = 35,924,587,118,911.26/8,229,139.80
  6. Step 6: Final answer
    x = 4,365,533.70

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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.