Home / 13,416,023.31-18,525,619.59-12,982,193.14

Finding the Fourth Proportional to 13,416,023.31, 18,525,619.59 and 12,982,193.14

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Solution

The fourth proportional to 13,416,023.31, 18,525,619.59 and 12,982,193.14 is: 17,926,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,416,023.31 : 18,525,619.59 = 12,982,193.14 : x
  2. Step 2: Convert to fraction form
    13,416,023.31/18,525,619.59 = 12,982,193.14/x
  3. Step 3: Cross multiply
    13,416,023.31x = 18,525,619.59 × 12,982,193.14
  4. Step 4: Simplify right side
    13,416,023.31x = 240,503,171,555,547.62
  5. Step 5: Solve for x
    x = 240,503,171,555,547.62/13,416,023.31
  6. Step 6: Final answer
    x = 17,926,561.84

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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.