Home / 12,769,850.10-19,161,501.18-7,382,284.26

Finding the Fourth Proportional to 12,769,850.10, 19,161,501.18 and 7,382,284.26

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Solution

The fourth proportional to 12,769,850.10, 19,161,501.18 and 7,382,284.26 is: 11,077,314.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,850.10 : 19,161,501.18 = 7,382,284.26 : x
  2. Step 2: Convert to fraction form
    12,769,850.10/19,161,501.18 = 7,382,284.26/x
  3. Step 3: Cross multiply
    12,769,850.10x = 19,161,501.18 × 7,382,284.26
  4. Step 4: Simplify right side
    12,769,850.10x = 141,455,648,463,277.91
  5. Step 5: Solve for x
    x = 141,455,648,463,277.91/12,769,850.10
  6. Step 6: Final answer
    x = 11,077,314.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.