Home / 12,768,208.54-19,160,987.91-5,196,552.10

Finding the Fourth Proportional to 12,768,208.54, 19,160,987.91 and 5,196,552.10

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Solution

The fourth proportional to 12,768,208.54, 19,160,987.91 and 5,196,552.10 is: 7,798,358.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,768,208.54 : 19,160,987.91 = 5,196,552.10 : x
  2. Step 2: Convert to fraction form
    12,768,208.54/19,160,987.91 = 5,196,552.10/x
  3. Step 3: Cross multiply
    12,768,208.54x = 19,160,987.91 × 5,196,552.10
  4. Step 4: Simplify right side
    12,768,208.54x = 99,571,071,839,997.41
  5. Step 5: Solve for x
    x = 99,571,071,839,997.41/12,768,208.54
  6. Step 6: Final answer
    x = 7,798,358.84

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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.