Home / 12,376,637.13-17,078,904.21-6,869,578.75

Finding the Fourth Proportional to 12,376,637.13, 17,078,904.21 and 6,869,578.75

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Solution

The fourth proportional to 12,376,637.13, 17,078,904.21 and 6,869,578.75 is: 9,479,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,637.13 : 17,078,904.21 = 6,869,578.75 : x
  2. Step 2: Convert to fraction form
    12,376,637.13/17,078,904.21 = 6,869,578.75/x
  3. Step 3: Cross multiply
    12,376,637.13x = 17,078,904.21 × 6,869,578.75
  4. Step 4: Simplify right side
    12,376,637.13x = 117,324,877,434,301.55
  5. Step 5: Solve for x
    x = 117,324,877,434,301.55/12,376,637.13
  6. Step 6: Final answer
    x = 9,479,544.10

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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.