Home / 26,351,996.80-39,527,995.20-18,699,246.40

Finding the Fourth Proportional to 26,351,996.80, 39,527,995.20 and 18,699,246.40

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Solution

The fourth proportional to 26,351,996.80, 39,527,995.20 and 18,699,246.40 is: 28,048,869.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,351,996.80 : 39,527,995.20 = 18,699,246.40 : x
  2. Step 2: Convert to fraction form
    26,351,996.80/39,527,995.20 = 18,699,246.40/x
  3. Step 3: Cross multiply
    26,351,996.80x = 39,527,995.20 × 18,699,246.40
  4. Step 4: Simplify right side
    26,351,996.80x = 739,143,721,942,817.25
  5. Step 5: Solve for x
    x = 739,143,721,942,817.25/26,351,996.80
  6. Step 6: Final answer
    x = 28,048,869.60

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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.