Home / 10,051,776.32-13,879,828.76-9,322,374.56

Finding the Fourth Proportional to 10,051,776.32, 13,879,828.76 and 9,322,374.56

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Solution

The fourth proportional to 10,051,776.32, 13,879,828.76 and 9,322,374.56 is: 12,872,646.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051,776.32 : 13,879,828.76 = 9,322,374.56 : x
  2. Step 2: Convert to fraction form
    10,051,776.32/13,879,828.76 = 9,322,374.56/x
  3. Step 3: Cross multiply
    10,051,776.32x = 13,879,828.76 × 9,322,374.56
  4. Step 4: Simplify right side
    10,051,776.32x = 129,392,962,529,380.34
  5. Step 5: Solve for x
    x = 129,392,962,529,380.34/10,051,776.32
  6. Step 6: Final answer
    x = 12,872,646.43

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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.