Home / 12,917,065-19,378,332.06-3,818,445.16

Finding the Fourth Proportional to 12,917,065, 19,378,332.06 and 3,818,445.16

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Solution

The fourth proportional to 12,917,065, 19,378,332.06 and 3,818,445.16 is: 5,728,476.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917,065 : 19,378,332.06 = 3,818,445.16 : x
  2. Step 2: Convert to fraction form
    12,917,065/19,378,332.06 = 3,818,445.16/x
  3. Step 3: Cross multiply
    12,917,065x = 19,378,332.06 × 3,818,445.16
  4. Step 4: Simplify right side
    12,917,065x = 73,995,098,263,379.83
  5. Step 5: Solve for x
    x = 73,995,098,263,379.83/12,917,065
  6. Step 6: Final answer
    x = 5,728,476.11

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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.