Home / 12,376,637.63-17,078,904.90-6,869,579.25

Finding the Fourth Proportional to 12,376,637.63, 17,078,904.90 and 6,869,579.25

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Solution

The fourth proportional to 12,376,637.63, 17,078,904.90 and 6,869,579.25 is: 9,479,544.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376,637.63 : 17,078,904.90 = 6,869,579.25 : x
  2. Step 2: Convert to fraction form
    12,376,637.63/17,078,904.90 = 6,869,579.25/x
  3. Step 3: Cross multiply
    12,376,637.63x = 17,078,904.90 × 6,869,579.25
  4. Step 4: Simplify right side
    12,376,637.63x = 117,324,890,713,763.31
  5. Step 5: Solve for x
    x = 117,324,890,713,763.31/12,376,637.63
  6. Step 6: Final answer
    x = 9,479,544.79

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1.5x scale

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.