Home / 10,887,191.40-16,315,040.70-4,816,954.20

Finding the Fourth Proportional to 10,887,191.40, 16,315,040.70 and 4,816,954.20

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Solution

The fourth proportional to 10,887,191.40, 16,315,040.70 and 4,816,954.20 is: 7,218,464.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,887,191.40 : 16,315,040.70 = 4,816,954.20 : x
  2. Step 2: Convert to fraction form
    10,887,191.40/16,315,040.70 = 4,816,954.20/x
  3. Step 3: Cross multiply
    10,887,191.40x = 16,315,040.70 × 4,816,954.20
  4. Step 4: Simplify right side
    10,887,191.40x = 78,588,803,823,035.94
  5. Step 5: Solve for x
    x = 78,588,803,823,035.94/10,887,191.40
  6. Step 6: Final answer
    x = 7,218,464.43

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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.