Home / 12,051,320.42-16,633,236.05-7,159,260.21

Finding the Fourth Proportional to 12,051,320.42, 16,633,236.05 and 7,159,260.21

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Solution

The fourth proportional to 12,051,320.42, 16,633,236.05 and 7,159,260.21 is: 9,881,213.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051,320.42 : 16,633,236.05 = 7,159,260.21 : x
  2. Step 2: Convert to fraction form
    12,051,320.42/16,633,236.05 = 7,159,260.21/x
  3. Step 3: Cross multiply
    12,051,320.42x = 16,633,236.05 × 7,159,260.21
  4. Step 4: Simplify right side
    12,051,320.42x = 119,081,664,980,506.27
  5. Step 5: Solve for x
    x = 119,081,664,980,506.27/12,051,320.42
  6. Step 6: Final answer
    x = 9,881,213.09

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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.