Home / 13,849,344.63-19,117,429.25-12,396,476.79

Finding the Fourth Proportional to 13,849,344.63, 19,117,429.25 and 12,396,476.79

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Solution

The fourth proportional to 13,849,344.63, 19,117,429.25 and 12,396,476.79 is: 17,111,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849,344.63 : 19,117,429.25 = 12,396,476.79 : x
  2. Step 2: Convert to fraction form
    13,849,344.63/19,117,429.25 = 12,396,476.79/x
  3. Step 3: Cross multiply
    13,849,344.63x = 19,117,429.25 × 12,396,476.79
  4. Step 4: Simplify right side
    13,849,344.63x = 236,988,767,920,109.72
  5. Step 5: Solve for x
    x = 236,988,767,920,109.72/13,849,344.63
  6. Step 6: Final answer
    x = 17,111,912.10

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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.