Home / 15,675,010.92-21,631,782.40-8,610,901.94

Finding the Fourth Proportional to 15,675,010.92, 21,631,782.40 and 8,610,901.94

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Solution

The fourth proportional to 15,675,010.92, 21,631,782.40 and 8,610,901.94 is: 11,883,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,675,010.92 : 21,631,782.40 = 8,610,901.94 : x
  2. Step 2: Convert to fraction form
    15,675,010.92/21,631,782.40 = 8,610,901.94/x
  3. Step 3: Cross multiply
    15,675,010.92x = 21,631,782.40 × 8,610,901.94
  4. Step 4: Simplify right side
    15,675,010.92x = 186,269,157,066,370.09
  5. Step 5: Solve for x
    x = 186,269,157,066,370.09/15,675,010.92
  6. Step 6: Final answer
    x = 11,883,191.53

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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.