Home / 14,381,932.86-19,846,949.40-7,855,566.48

Finding the Fourth Proportional to 14,381,932.86, 19,846,949.40 and 7,855,566.48

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Solution

The fourth proportional to 14,381,932.86, 19,846,949.40 and 7,855,566.48 is: 10,840,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381,932.86 : 19,846,949.40 = 7,855,566.48 : x
  2. Step 2: Convert to fraction form
    14,381,932.86/19,846,949.40 = 7,855,566.48/x
  3. Step 3: Cross multiply
    14,381,932.86x = 19,846,949.40 × 7,855,566.48
  4. Step 4: Simplify right side
    14,381,932.86x = 155,909,030,436,896.09
  5. Step 5: Solve for x
    x = 155,909,030,436,896.09/14,381,932.86
  6. Step 6: Final answer
    x = 10,840,617.32

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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.