Home / 15,821,814.24-21,833,238.96-8,947,674.72

Finding the Fourth Proportional to 15,821,814.24, 21,833,238.96 and 8,947,674.72

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Solution

The fourth proportional to 15,821,814.24, 21,833,238.96 and 8,947,674.72 is: 12,347,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821,814.24 : 21,833,238.96 = 8,947,674.72 : x
  2. Step 2: Convert to fraction form
    15,821,814.24/21,833,238.96 = 8,947,674.72/x
  3. Step 3: Cross multiply
    15,821,814.24x = 21,833,238.96 × 8,947,674.72
  4. Step 4: Simplify right side
    15,821,814.24x = 195,356,720,298,111.12
  5. Step 5: Solve for x
    x = 195,356,720,298,111.12/15,821,814.24
  6. Step 6: Final answer
    x = 12,347,302.11

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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.