Home / 10,778,736.40-16,179,914.40-6,739,784.80

Finding the Fourth Proportional to 10,778,736.40, 16,179,914.40 and 6,739,784.80

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Solution

The fourth proportional to 10,778,736.40, 16,179,914.40 and 6,739,784.80 is: 10,117,061.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,778,736.40 : 16,179,914.40 = 6,739,784.80 : x
  2. Step 2: Convert to fraction form
    10,778,736.40/16,179,914.40 = 6,739,784.80/x
  3. Step 3: Cross multiply
    10,778,736.40x = 16,179,914.40 × 6,739,784.80
  4. Step 4: Simplify right side
    10,778,736.40x = 109,049,141,138,421.12
  5. Step 5: Solve for x
    x = 109,049,141,138,421.12/10,778,736.40
  6. Step 6: Final answer
    x = 10,117,061.69

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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.