Home / 10,937,216.70-16,405,825.05-7,745,946.30

Finding the Fourth Proportional to 10,937,216.70, 16,405,825.05 and 7,745,946.30

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Solution

The fourth proportional to 10,937,216.70, 16,405,825.05 and 7,745,946.30 is: 11,618,919.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937,216.70 : 16,405,825.05 = 7,745,946.30 : x
  2. Step 2: Convert to fraction form
    10,937,216.70/16,405,825.05 = 7,745,946.30/x
  3. Step 3: Cross multiply
    10,937,216.70x = 16,405,825.05 × 7,745,946.30
  4. Step 4: Simplify right side
    10,937,216.70x = 127,078,639,844,494.81
  5. Step 5: Solve for x
    x = 127,078,639,844,494.81/10,937,216.70
  6. Step 6: Final answer
    x = 11,618,919.45

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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.