Home / 12,546,987.96-17,314,851.91-7,039,602.54

Finding the Fourth Proportional to 12,546,987.96, 17,314,851.91 and 7,039,602.54

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Solution

The fourth proportional to 12,546,987.96, 17,314,851.91 and 7,039,602.54 is: 9,714,656.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,546,987.96 : 17,314,851.91 = 7,039,602.54 : x
  2. Step 2: Convert to fraction form
    12,546,987.96/17,314,851.91 = 7,039,602.54/x
  3. Step 3: Cross multiply
    12,546,987.96x = 17,314,851.91 × 7,039,602.54
  4. Step 4: Simplify right side
    12,546,987.96x = 121,889,675,485,359.86
  5. Step 5: Solve for x
    x = 121,889,675,485,359.86/12,546,987.96
  6. Step 6: Final answer
    x = 9,714,656.29

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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.