Home / 18,126,195.59-25,014,681.56-9,866,796.64

Finding the Fourth Proportional to 18,126,195.59, 25,014,681.56 and 9,866,796.64

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Solution

The fourth proportional to 18,126,195.59, 25,014,681.56 and 9,866,796.64 is: 13,616,468.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,126,195.59 : 25,014,681.56 = 9,866,796.64 : x
  2. Step 2: Convert to fraction form
    18,126,195.59/25,014,681.56 = 9,866,796.64/x
  3. Step 3: Cross multiply
    18,126,195.59x = 25,014,681.56 × 9,866,796.64
  4. Step 4: Simplify right side
    18,126,195.59x = 246,814,775,929,008.22
  5. Step 5: Solve for x
    x = 246,814,775,929,008.22/18,126,195.59
  6. Step 6: Final answer
    x = 13,616,468.75

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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.