Home / 18,145,945.37-25,041,329.09-9,885,981.94

Finding the Fourth Proportional to 18,145,945.37, 25,041,329.09 and 9,885,981.94

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Solution

The fourth proportional to 18,145,945.37, 25,041,329.09 and 9,885,981.94 is: 13,642,613.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,945.37 : 25,041,329.09 = 9,885,981.94 : x
  2. Step 2: Convert to fraction form
    18,145,945.37/25,041,329.09 = 9,885,981.94/x
  3. Step 3: Cross multiply
    18,145,945.37x = 25,041,329.09 × 9,885,981.94
  4. Step 4: Simplify right side
    18,145,945.37x = 247,558,127,137,336.62
  5. Step 5: Solve for x
    x = 247,558,127,137,336.62/18,145,945.37
  6. Step 6: Final answer
    x = 13,642,613.93

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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.