Home / 18,389,507.39-27,569,947.06-11,898,868.64

Finding the Fourth Proportional to 18,389,507.39, 27,569,947.06 and 11,898,868.64

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Solution

The fourth proportional to 18,389,507.39, 27,569,947.06 and 11,898,868.64 is: 17,839,041.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389,507.39 : 27,569,947.06 = 11,898,868.64 : x
  2. Step 2: Convert to fraction form
    18,389,507.39/27,569,947.06 = 11,898,868.64/x
  3. Step 3: Cross multiply
    18,389,507.39x = 27,569,947.06 × 11,898,868.64
  4. Step 4: Simplify right side
    18,389,507.39x = 328,051,178,562,492.69
  5. Step 5: Solve for x
    x = 328,051,178,562,492.69/18,389,507.39
  6. Step 6: Final answer
    x = 17,839,041.13

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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.