Home / 18,452,437.20-27,678,655.80-7,093,256.40

Finding the Fourth Proportional to 18,452,437.20, 27,678,655.80 and 7,093,256.40

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Solution

The fourth proportional to 18,452,437.20, 27,678,655.80 and 7,093,256.40 is: 10,639,884.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,452,437.20 : 27,678,655.80 = 7,093,256.40 : x
  2. Step 2: Convert to fraction form
    18,452,437.20/27,678,655.80 = 7,093,256.40/x
  3. Step 3: Cross multiply
    18,452,437.20x = 27,678,655.80 × 7,093,256.40
  4. Step 4: Simplify right side
    18,452,437.20x = 196,331,802,396,747.12
  5. Step 5: Solve for x
    x = 196,331,802,396,747.12/18,452,437.20
  6. Step 6: Final answer
    x = 10,639,884.60

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1.5x scale

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.