Home / 12,437,021.28-18,666,165.60-4,869,301.44

Finding the Fourth Proportional to 12,437,021.28, 18,666,165.60 and 4,869,301.44

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Solution

The fourth proportional to 12,437,021.28, 18,666,165.60 and 4,869,301.44 is: 7,308,115.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,437,021.28 : 18,666,165.60 = 4,869,301.44 : x
  2. Step 2: Convert to fraction form
    12,437,021.28/18,666,165.60 = 4,869,301.44/x
  3. Step 3: Cross multiply
    12,437,021.28x = 18,666,165.60 × 4,869,301.44
  4. Step 4: Simplify right side
    12,437,021.28x = 90,891,187,035,358.48
  5. Step 5: Solve for x
    x = 90,891,187,035,358.48/12,437,021.28
  6. Step 6: Final answer
    x = 7,308,115.42

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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.