Home / 10,927,940.70-16,391,911.05-7,736,670.30

Finding the Fourth Proportional to 10,927,940.70, 16,391,911.05 and 7,736,670.30

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Solution

The fourth proportional to 10,927,940.70, 16,391,911.05 and 7,736,670.30 is: 11,605,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,927,940.70 : 16,391,911.05 = 7,736,670.30 : x
  2. Step 2: Convert to fraction form
    10,927,940.70/16,391,911.05 = 7,736,670.30/x
  3. Step 3: Cross multiply
    10,927,940.70x = 16,391,911.05 × 7,736,670.30
  4. Step 4: Simplify right side
    10,927,940.70x = 126,818,811,380,776.81
  5. Step 5: Solve for x
    x = 126,818,811,380,776.81/10,927,940.70
  6. Step 6: Final answer
    x = 11,605,005.45

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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.