Home / 11,989,178.28-16,545,459.66-6,556,670.28

Finding the Fourth Proportional to 11,989,178.28, 16,545,459.66 and 6,556,670.28

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Solution

The fourth proportional to 11,989,178.28, 16,545,459.66 and 6,556,670.28 is: 9,048,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,989,178.28 : 16,545,459.66 = 6,556,670.28 : x
  2. Step 2: Convert to fraction form
    11,989,178.28/16,545,459.66 = 6,556,670.28/x
  3. Step 3: Cross multiply
    11,989,178.28x = 16,545,459.66 × 6,556,670.28
  4. Step 4: Simplify right side
    11,989,178.28x = 108,483,123,621,660.91
  5. Step 5: Solve for x
    x = 108,483,123,621,660.91/11,989,178.28
  6. Step 6: Final answer
    x = 9,048,420.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.