Home / 12,051,321.92-16,633,238.12-7,159,261.71

Finding the Fourth Proportional to 12,051,321.92, 16,633,238.12 and 7,159,261.71

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Solution

The fourth proportional to 12,051,321.92, 16,633,238.12 and 7,159,261.71 is: 9,881,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,321.92 : 16,633,238.12 = 7,159,261.71 : x
  2. Step 2: Convert to fraction form
    12,051,321.92/16,633,238.12 = 7,159,261.71/x
  3. Step 3: Cross multiply
    12,051,321.92x = 16,633,238.12 × 7,159,261.71
  4. Step 4: Simplify right side
    12,051,321.92x = 119,081,704,750,032.08
  5. Step 5: Solve for x
    x = 119,081,704,750,032.08/12,051,321.92
  6. Step 6: Final answer
    x = 9,881,215.16

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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.