Home / 10,530,845.20-15,796,267.80-9,334,118.80

Finding the Fourth Proportional to 10,530,845.20, 15,796,267.80 and 9,334,118.80

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Solution

The fourth proportional to 10,530,845.20, 15,796,267.80 and 9,334,118.80 is: 14,001,178.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530,845.20 : 15,796,267.80 = 9,334,118.80 : x
  2. Step 2: Convert to fraction form
    10,530,845.20/15,796,267.80 = 9,334,118.80/x
  3. Step 3: Cross multiply
    10,530,845.20x = 15,796,267.80 × 9,334,118.80
  4. Step 4: Simplify right side
    10,530,845.20x = 147,444,240,241,814.66
  5. Step 5: Solve for x
    x = 147,444,240,241,814.66/10,530,845.20
  6. Step 6: Final answer
    x = 14,001,178.20

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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.