Home / 12,926,486.54-17,839,349.54-7,125,255.20

Finding the Fourth Proportional to 12,926,486.54, 17,839,349.54 and 7,125,255.20

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Solution

The fourth proportional to 12,926,486.54, 17,839,349.54 and 7,125,255.20 is: 9,833,292.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926,486.54 : 17,839,349.54 = 7,125,255.20 : x
  2. Step 2: Convert to fraction form
    12,926,486.54/17,839,349.54 = 7,125,255.20/x
  3. Step 3: Cross multiply
    12,926,486.54x = 17,839,349.54 × 7,125,255.20
  4. Step 4: Simplify right side
    12,926,486.54x = 127,109,917,949,679.59
  5. Step 5: Solve for x
    x = 127,109,917,949,679.59/12,926,486.54
  6. Step 6: Final answer
    x = 9,833,292.10

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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.